X-Git-Url: http://git.chise.org/gitweb/?p=m17n%2Fm17n-lib-js.git;a=blobdiff_plain;f=mim.js;h=dc1fab83cc8cee86b5c07745794c0521088df1dc;hp=25d59e4447b67a09f237830096c82256254cbd0e;hb=HEAD;hpb=66ec6cf2695620e68bd628f1099b6df8d5ee2e76
diff --git a/mim.js b/mim.js
index 25d59e4..dc1fab8 100644
--- a/mim.js
+++ b/mim.js
@@ -1,249 +1,1864 @@
-// -* coding: utf-8; -*
-
-var MIM = {};
-
-// URL of the input method server.
-MIM.server = "http://www.m17n.org/common/mim-js",
-// Boolean flag to tell if MIM is active or not.
-MIM.enabled = true;
-// Boolean flag to tell if MIM is running in debug mode or not.
-MIM.debug = false;
-// List of registered input methods.
-MIM.list = new Array ();
-// Currently selected input method.
-MIM.current_im = false;
-
-MIM.im = function (lang, name, filename)
+// mim.js -- M17N Input Method driver
+// Copyright (C) 2010
+// National Institute of Advanced Industrial Science and Technology (AIST)
+// Registration Number H15PRO112
+
+// This file is part of the m17n database; a sub-part of the m17n
+// library.
+
+// The m17n library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public License
+// as published by the Free Software Foundation; either version 2.1 of
+// the License, or (at your option) any later version.
+
+// The m17n library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+
+// You should have received a copy of the GNU Lesser General Public
+// License along with the m17n library; if not, write to the Free
+// Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+// Boston, MA 02110-1301, USA.
+
+// Please note that the code is not yet matured.
+
+// Known bugs:
+// * MIM.get_preedit_pos () returns incorrect position sometimes.
+
+var MIM = {
+ // URL of the input method server.
+ server: "http://www.m17n.org/common/mim-js",
+ // Boolean flag to tell if MIM is active or not.
+ enabled: true,
+ // Boolean flag to tell if MIM is running in debug mode or not.
+ debug: false,
+ // List of main input methods.
+ imlist: {},
+ // List of extra input methods;
+ imextra: {},
+ // Global input method data
+ im_global: null,
+ // Currently selected input method.
+ current: false,
+
+ // enum
+ LoadStatus: { NotLoaded:0, Loading:1, Loaded:2, Error:-1 },
+ ChangedStatus: {
+ None: 0x00,
+ StateTitle: 0x01,
+ PreeditText:0x02,
+ CursorPos: 0x04,
+ CandidateList:0x08,
+ CandidateIndex:0x10,
+ CandidateShow:0x20,
+ Preedit: 0x06, // PreeditText | CursorPos
+ Candidate: 0x38 // CandidateList | CandidateIndex | CandidateShow
+ },
+ KeyModifier: {
+ SL: 0x00400000,
+ SR: 0x00800000,
+ S: 0x00C00000,
+ CL: 0x01000000,
+ CR: 0x02000000,
+ C: 0x03000000,
+ AL: 0x04000000,
+ AR: 0x08000000,
+ A: 0x0C000000,
+ ML: 0x04000000,
+ MR: 0x08000000,
+ M: 0x0C000000,
+ G: 0x10000000,
+ s: 0x20000000,
+ H: 0x40000000,
+ High: 0x70000000,
+ All: 0x7FC00000
+ },
+ Error: {
+ ParseError: "parse-error"
+ }
+};
+
+//if (window.location.hostname == 'localhost')
+// MIM.server = 'http://localhost/mim';
+
+(function () {
+ var keysyms = new Array ();
+ keysyms["bs"] = "BackSpace";
+ keysyms["lf"] = "Linefeed";
+ keysyms["cr"] = keysyms["enter"] = "Return";
+ keysyms["esc"] = "Escape";
+ keysyms["spc"] = "space";
+ keysyms["del"] = "Delete";
+
+ function decode_keysym (str) {
+ if (str.length == 1)
+ return str;
+ var parts = str.split ("-");
+ var len = parts.length, i;
+ var has_modifier = len > 1;
+
+ for (i = 0; i < len - 1; i++)
+ if (! MIM.KeyModifier.hasOwnProperty (parts[i]))
+ return false;
+ var key = parts[len - 1];
+ if (key.length > 1)
+ {
+ key = keysyms[key.toLowerCase ()];
+ if (key)
+ {
+ if (len > 1)
+ {
+ str = parts[0];
+ for (i = 1; i < len - 1; i++)
+ str += '-' + parts[i];
+ str += '-' + key;
+ }
+ else
+ str = key;
+ }
+ }
+ if (has_modifier)
+ {
+ parts = new Array ();
+ parts.push (str);
+ return parts;
+ }
+ return str;
+ }
+
+ MIM.Key = function (val)
+ {
+ this.key;
+ if (val instanceof Xex.Term)
+ this.key = val.val;
+ else if (typeof val == 'string' || val instanceof String)
+ {
+ this.key = decode_keysym (val);
+ if (! this.key)
+ throw new Xex.ErrTerm (MIM.Error.ParseError, "Invalid key: " + val);
+ if (this.key instanceof Array)
+ {
+ this.key = this.key[0];
+ this.has_modifier = true;
+ }
+ }
+ else if (typeof val == 'number' || val instanceof Number)
+ this.key = String.fromCharCode (val);
+ else
+ throw new Xex.ErrTerm (MIM.Error.ParseError, "Invalid key: " + val);
+ }
+
+ MIM.Key.prototype.toString = function () { return this.key; };
+
+ MIM.Key.FocusIn = new MIM.Key (new Xex.StrTerm ('input-focus-in'));
+ MIM.Key.FocusOut = new MIM.Key (new Xex.StrTerm ('input-focus-out'));
+ MIM.Key.FocusMove = new MIM.Key (new Xex.StrTerm ('input-focus-move'));
+}) ();
+
+(function () {
+ MIM.KeySeq = function (seq)
+ {
+ this.val = new Array ();
+
+ if (seq)
+ {
+ if (seq.IsList)
+ {
+ var len = seq.val.length;
+ for (var i = 0; i < len; i++)
+ {
+ var v = seq.val[i], key;
+ if (v.type == 'symbol' || v.type == 'string')
+ key = new MIM.Key (v);
+ else if (v.type == 'integer')
+ key = new MIM.Key (v.val);
+ else
+ throw new Xex.ErrTerm (MIM.Error.ParseError,
+ "Invalid key: " + v);
+ this.val.push (key);
+ if (key.has_modifier)
+ this.has_modifier = true;
+ }
+ }
+ else if (seq.IsStr)
+ {
+ var len = seq.val.length;
+ for (var i = 0; i < len; i++)
+ this.val.push (new MIM.Key (seq.val.charCodeAt (i)));
+ }
+ else
+ throw new Xex.ErrTerm (MIM.Error.ParseError, "Invalid key: " + seq);
+ }
+ }
+
+ var proto = new Xex.Term ('keyseq');
+ proto.Clone = function () { return this; }
+ proto.Parser = function (domain, node)
+ {
+ var seq = new Array ();
+ for (node = node.firstChild; node; node = node.nextSibling)
+ if (node.nodeType == 1)
+ {
+ var term = Xex.Term.Parse (domain, node);
+ return new MIM.KeySeq (term);
+ }
+ throw new Xex.ErrTerm (MIM.Error.ParseError, "Invalid keyseq");
+ }
+ proto.toString = function ()
+ {
+ var len = this.val.length;
+ if (len == 0)
+ return '';
+ var first = true;
+ var str = '';
+ for (var i = 0; i < len; i++)
+ {
+ if (first)
+ first = false;
+ else if (this.has_modifier)
+ str += ' ';
+ str += this.val[i].toString ();
+ }
+ return str + '';
+ }
+
+ MIM.KeySeq.prototype = proto;
+}) ();
+
+(function () {
+ MIM.Marker = function () { }
+ MIM.Marker.prototype = new Xex.Term ('marker');
+ MIM.Marker.prototype.CharAt = function (ic)
+ {
+ var p = this.Position (ic);
+ if (p < 0 || p >= ic.preedit.length)
+ return 0;
+ return ic.preedit.charCodeAt (p);
+ }
+
+ MIM.FloatingMarker = function (name) { this.val = name; };
+ var proto = new MIM.Marker ();
+ MIM.FloatingMarker.prototype = proto;
+ proto.Position = function (ic) { return ic.marker_positions[this.val]; };
+ proto.Mark = function (ic) { ic.marker_positions[this.val] = ic.cursor_pos; };
+
+ MIM.PredefinedMarker = function (name) { this.val = name; }
+ MIM.PredefinedMarker.prototype = new MIM.Marker ();
+ MIM.PredefinedMarker.prototype.Position = function (ic)
+ {
+ if (typeof this.pos == 'number')
+ return this.pos;
+ return this.pos (ic);
+ }
+
+ var predefined = { }
+
+ function def_predefined (name, position)
+ {
+ predefined[name] = new MIM.PredefinedMarker (name);
+ predefined[name].pos = position;
+ }
+
+ def_predefined ('@<', 0);
+ def_predefined ('@>', function (ic) { return ic.preedit.length; });
+ def_predefined ('@-', function (ic) { return ic.cursor_pos - 1; });
+ def_predefined ('@+', function (ic) { return ic.cursor_pos + 1; });
+ def_predefined ('@[', function (ic) {
+ if (ic.cursor_pos > 0)
+ {
+ var pos = ic.cursor_pos;
+ return ic.preedit.FindProp ('candidates', pos - 1).from;
+ }
+ return 0;
+ });
+ def_predefined ('@]', function (ic) {
+ if (ic.cursor_pos < ic.preedit.length - 1)
+ {
+ var pos = ic.cursor_pos;
+ return ic.preedit.FindProp ('candidates', pos).to;
+ }
+ return ic.preedit.length;
+ });
+ for (var i = 0; i < 10; i++)
+ def_predefined ("@" + i, i);
+ predefined['@first'] = predefined['@<'];
+ predefined['@last'] = predefined['@>'];
+ predefined['@previous'] = predefined['@-'];
+ predefined['@next'] = predefined['@+'];
+ predefined['@previous-candidate-change'] = predefined['@['];
+ predefined['@next-candidate-change'] = predefined['@]'];
+
+ MIM.SurroundMarker = function (name)
+ {
+ this.val = name;
+ this.distance = parseInt (name.slice (1));
+ if (isNaN (this.distance))
+ throw new Xex.ErrTerm (MIM.Error.ParseError, "Invalid marker: " + name);
+ }
+ MIM.SurroundMarker.prototype = new MIM.Marker ();
+ MIM.SurroundMarker.prototype.Position = function (ic)
+ {
+ return ic.cursor_pos + this.distance;
+ }
+ MIM.SurroundMarker.prototype.CharAt = function (ic)
+ {
+ if (this.val == '@-0')
+ return -1;
+ var p = this.Position (ic);
+ if (p < 0)
+ return ic.GetSurroundingChar (p);
+ else if (p >= ic.preedit.length)
+ return ic.GetSurroundingChar (p - ic.preedit.length);
+ return ic.preedit.charCodeAt (p);
+ }
+
+ MIM.Marker.prototype.Parser = function (domain, node)
+ {
+ var name = node.firstChild.nodeValue;
+ if (name.charAt (0) == '@')
+ {
+ var n = predefined[name];
+ if (n)
+ return n;
+ if (name.charAt (1) == '-' || name.charAt (1) == '+')
+ return new MIM.SurroundMarker (name);
+ throw new Xex.ErrTerm (MIM.Error.ParseError,
+ "Invalid marker: " + name);
+ }
+ return new MIM.FloatingMarker (name);;
+ }
+}) ();
+
+MIM.Selector = function (name)
+{
+ this.val = name;
+}
+MIM.Selector.prototype = new Xex.Term ('selector');
+
+(function () {
+ var selectors = {};
+ selectors["@<"] = selectors["@first"] = new MIM.Selector ('@<');
+ selectors["@="] = selectors["@current"] = new MIM.Selector ('@=');
+ selectors["@>"] = selectors["@last"] = new MIM.Selector ('@>');
+ selectors["@-"] = selectors["@previous"] = new MIM.Selector ('@-');
+ selectors["@+"] = selectors["@next"] = new MIM.Selector ('@+');
+ selectors["@["] = selectors["@previous-group"] = new MIM.Selector ('@[');
+ selectors["@]"] = selectors["@next-group"] = new MIM.Selector ('@]');
+
+ MIM.Selector.prototype.Parser = function (domain, node)
+ {
+ var name = node.firstChild.nodeValue;
+ var s = selectors[name];
+ if (! s)
+ throw new Xex.ErrTerm (MIM.Error.ParseError,
+ "Invalid selector: " + name);
+ return s;
+ }
+}) ();
+
+MIM.Rule = function (keyseq, actions)
+{
+ this.keyseq = keyseq;
+ if (actions)
+ this.actions = actions;
+}
+MIM.Rule.prototype = new Xex.Term ('rule');
+MIM.Rule.prototype.Parser = function (domain, node)
+{
+ var n;
+ for (n = node.firstChild; n && n.nodeType != 1; n = n.nextSibling);
+ if (! n)
+ throw new Xex.ErrTerm (MIM.Error.ParseError, "invalid rule:" + node);
+ var keyseq = Xex.Term.Parse (domain, n);
+ if (keyseq.type != 'keyseq')
+ throw new Xex.ErrTerm (MIM.Error.ParseError, "invalid rule:" + node);
+ var actions = null;
+ n = n.nextElement ();
+ if (n)
+ actions = Xex.Term.Parse (domain, n, null);
+ return new MIM.Rule (keyseq, actions);
+}
+MIM.Rule.prototype.toString = function ()
+{
+ return '';
+}
+
+MIM.Map = function (name)
{
- this.status = 0; /* 0: not-yet-loaded, 1:loading, 2:loaded, -1:error */
- this.url = MIM.server + "/" + filename;
- this.lang = lang;
this.name = name;
- this.keymap = false;
- this.body = null;
+ this.rules = new Array ();
+};
+
+(function () {
+ var proto = new Xex.Term ('map');
+
+ proto.Parser = function (domain, node)
+ {
+ var name = node.attributes['mname'].nodeValue;
+ if (! name)
+ throw new Xex.ErrTerm (MIM.Error.ParseError, "invalid map");
+ var map = new MIM.Map (name);
+ for (var n = node.firstChild; n; n = n.nextSibling)
+ if (n.nodeType == 1)
+ map.rules.push (Xex.Term.Parse (domain, n));
+ return map;
+ }
- function add_keystring (map, keystring, str)
+ proto.toString = function ()
{
- var i, c;
- var newmap;
- var intermediate_string = "";
+ var str = '';
+ }
+
+ MIM.Map.prototype = proto;
+}) ();
+
+Xex.CatchTag._mimtag = new Xex.SymTerm ('@mimtag');
+
+MIM.Action = function (domain, terms)
+{
+ var args = new Array ();
+ args.push (Xex.CatchTag_.mimtag);
+ for (var i = 0; i < terms.length; i++)
+ args.push (terms[i]);
+ this.action = Xex.Funcall.prototype.New (domain, 'catch', null, args);
+}
- for (i = 0; i < keystring.length; i++)
+MIM.Action.prototype.Run = function (domain)
+{
+ var result = this.action.Eval (domain);
+ if (result.type == 'error')
{
- c = keystring.charAt (i);
- if (c in map)
+ domain.context.Error = result.toString ();
+ return false;
+ }
+ return (result != Xex.CatchTag._mimtag);
+}
+
+MIM.Keymap = function ()
+{
+ this.name = 'TOP';
+ this.submaps = null;
+};
+
+(function () {
+ var proto = {};
+
+ function add_rule (keymap, rule, branch_actions)
+ {
+ var keyseq = rule.keyseq;
+ var len = keyseq.val.length;
+ var name = '';
+
+ for (var i = 0; i < len; i++)
+ {
+ var key = keyseq.val[i];
+ var sub = false;
+
+ name += key.key;
+ if (! keymap.submaps)
+ keymap.submaps = {};
+ else
+ sub = keymap.submaps[key.key];
+ if (! sub)
+ keymap.submaps[key.key] = sub = new MIM.Keymap ();
+ keymap = sub;
+ keymap.name = name;
+ }
+ if (rule.actions)
+ keymap.map_actions = rule.actions;
+ if (branch_actions)
+ keymap.branch_actions = branch_actions;
+ }
+
+ proto.Add = function (map, branch_actions)
+ {
+ var rules = map.rules;
+ var len = rules.length;
+
+ for (var i = 0; i < len; i++)
+ add_rule (this, rules[i], branch_actions);
+ }
+ proto.Lookup = function (keys, index)
+ {
+ var sub;
+
+ if (index < keys.val.length && this.submaps
+ && ! keys.val[index])
+ {
+ Xex.Log ('invalid key at ' + index);
+ throw 'invalid key';
+ }
+
+ if (index < keys.val.length && this.submaps
+ && (sub = this.submaps[keys.val[index].key]))
+ {
+ index++;
+ return sub.Lookup (keys, index);
+ }
+ return { map: this, index: index };
+ }
+
+ MIM.Keymap.prototype = proto;
+}) ();
+
+MIM.State = function (name)
+{
+ this.name = name;
+ this.keymap = new MIM.Keymap ();
+};
+
+(function () {
+ var proto = new Xex.Term ('state');
+
+ proto.Parser = function (domain, node)
+ {
+ var map_list = domain.map_list;
+ var name = node.attributes['sname'].nodeValue;
+ if (! name)
+ throw new Xex.ErrTerm (MIM.Error.ParseError, "invalid map");
+ var state = new MIM.State (name);
+ for (node = node.firstElement (); node; node = node.nextElement ())
+ {
+ if (node.nodeName == 'title')
+ state.title = node.firstChild.nodeValue;
+ else
+ {
+ var n = node.firstElement ();
+ var branch_actions = n ? Xex.Term.Parse (domain, n, null) : null;
+ if (node.nodeName == 'branch')
+ state.keymap.Add (map_list[node.attributes['mname'].nodeValue],
+ branch_actions);
+ else if (node.nodeName == 'state-hook')
+ state.keymap.map_actions = branch_actions;
+ else if (node.nodeName == 'catch-all-branch')
+ state.keymap.branch_actions = branch_actions;
+ }
+ }
+ return state;
+ }
+
+ proto.toString = function ()
+ {
+ return '' + this.keymap + '';
+ }
+
+ MIM.State.prototype = proto;
+}) ();
+
+(function () {
+ function Block (index, term)
+ {
+ this.Index = index;
+ if (term.IsStr)
+ this.Data = term.val;
+ else if (term.IsList)
+ {
+ this.Data = new Array ();
+ for (var i = 0; i < term.val.length; i++)
+ this.Data.push (term.val[i].val);
+ }
+ }
+
+ Block.prototype.Count = function () { return this.Data.length; }
+ Block.prototype.get = function (i)
+ {
+ return (this.Data instanceof Array ? this.Data[i] : this.Data.charAt (i));
+ }
+
+ MIM.Candidates = function (ic, candidates, column)
+ {
+ this.ic = ic;
+ this.column = column;
+ this.row = 0;
+ this.index = 0;
+ this.total = 0;
+ this.blocks = new Array ();
+
+ for (var i = 0; i < candidates.length; i++)
+ {
+ var block = new Block (this.total, candidates[i]);
+ this.blocks.push (block);
+ this.total += block.Count ();
+ }
+ }
+
+ function get_col ()
+ {
+ return (this.column > 0 ? this.index % this.column
+ : this.index - this.blocks[this.row].Index);
+ }
+
+ function prev_group ()
+ {
+ var col = get_col.call (this);
+ var nitems;
+ if (this.column > 0)
+ {
+ this.index -= this.column;
+ if (this.index >= 0)
+ nitems = this.column;
+ else
+ {
+ var lastcol = (this.total - 1) % this.column;
+ this.index = (col < lastcol ? this.total - lastcol + col
+ : this.total - 1);
+ this.row = this.blocks.length - 1;
+ nitems = lastcol + 1;
+ }
+ while (this.blocks[this.row].Index > this.index)
+ this.row--;
+ }
+ else
+ {
+ this.row = this.row > 0 ? this.row - 1 : this.blocks.length - 1;
+ nitems = this.blocks[this.row].Count ();
+ this.index = (this.blocks[this.row].Index
+ + (col < nitems ? col : nitems - 1));
+ }
+ return nitems;
+ }
+
+ function next_group ()
+ {
+ var col = get_col.call (this);
+ var nitems;
+ if (this.column > 0)
+ {
+ this.index += this.column - col;
+ if (this.index < this.total)
+ {
+ if (this.index + col >= this.total)
+ {
+ nitems = this.total - this.index;
+ this.index = this.total - 1;
+ }
+ else
+ {
+ nitems = this.column;
+ this.index += col;
+ }
+ }
+ else
+ {
+ this.index = col;
+ this.row = 0;
+ }
+ while (this.blocks[this.row].Index + this.blocks[this.row].Count ()
+ <= this.index)
+ this.row++;
+ }
+ else
+ {
+ this.row = this.row < this.blocks.length - 1 ? this.row + 1 : 0;
+ nitems = this.blocks[this.row].Count ();
+ this.index = (this.blocks[this.row].Index
+ + (col < nitems ? col : nitems - 1));
+ }
+ return nitems;
+ }
+
+ function prev ()
+ {
+ if (this.index == 0)
+ {
+ this.index = this.total - 1;
+ this.row = this.blocks.length - 1;
+ }
+ else
+ {
+ this.index--;
+ if (this.blocks[this.row].Index > this.index)
+ this.row--;
+ }
+ }
+
+ function next ()
+ {
+ this.index++;
+ if (this.index == this.total)
+ {
+ this.index = 0;
+ this.row = 0;
+ }
+ else
+ {
+ var b = this.blocks[this.row];
+ if (this.index == b.Index + b.Count ())
+ this.row++;
+ }
+ }
+
+ function first ()
+ {
+ this.index -= get_col.call (this);
+ while (this.blocks[this.row].Index > this.index)
+ this.row--;
+ }
+
+ function last ()
+ {
+ var b = this.blocks[this.row];
+ if (this.column > 0)
+ {
+ if (this.index + 1 < this.total)
+ {
+ this.index += this.column - get_col.call (this) + 1;
+ while (b.Index + b.Count () <= this.index)
+ b = this.blocks[++this.row];
+ }
+ }
+ else
+ this.index = b.Index + b.Count () - 1;
+ }
+
+ MIM.Candidates.prototype.Current = function ()
+ {
+ var b = this.blocks[this.row];
+ return b.get (this.index - b.Index);
+ }
+
+ MIM.Candidates.prototype.Select = function (selector)
+ {
+ var idx = this.index;
+ var gidx = this.column > 0 ? idx / this.column : this.row;
+ if (selector.type == 'selector')
+ {
+ switch (selector.val)
+ {
+ case '@<': first.call (this); break;
+ case '@>': last.call (this); break;
+ case '@-': prev.call (this); break;
+ case '@+': next.call (this); break;
+ case '@[': prev_group.call (this); break;
+ case '@]': next_group.call (this); break;
+ default: break;
+ }
+ }
+ else
+ {
+ var col, start, end
+ if (this.column > 0)
+ {
+ col = this.index % this.column;
+ start = this.index - col;
+ end = start + this.column;
+ }
+ else
+ {
+ start = this.blocks[this.row].Index;
+ col = this.index - start;
+ end = start + this.blocks[this.row].Count;
+ }
+ if (end > this.total)
+ end = this.total;
+ this.index += selector.val - col;
+ if (this.index >= end)
+ this.index = end - 1;
+ if (this.column > 0)
+ {
+ if (selector.val > col)
+ while (this.blocks[this.row].Index + this.blocks[this.row].Count
+ < this.index)
+ this.row++;
+ else
+ while (this.blocks[this.row].Index > this.index)
+ this.row--;
+ }
+ }
+ var newgidx = this.column > 0 ? this.index / this.column : this.row;
+ if (this.index != idx)
+ this.ic.changed |= (gidx == newgidx
+ ? MIM.ChangedStatus.CandidateIndex
+ : MIM.ChangedStatus.CandidateList);
+ return this.Current ();
+ }
+
+ MIM.Candidates.prototype.CurrentCol = function ()
+ {
+ return get_col.call (this);
+ }
+
+ MIM.Candidates.prototype.CurrentGroup = function ()
+ {
+ var col, start, end, gnum, gidx;
+ if (this.column > 0)
+ {
+ gnum = Math.floor ((this.total - 1) / this.column) + 1;
+ col = this.index % this.column;
+ start = this.index - col;
+ gidx = start / this.column + 1;
+ end = start + this.column;
+ if (end > this.total)
+ end = this.total;
+ }
+ else
+ {
+ gnum = this.blocks.length;
+ gidx = this.row + 1;
+ start = this.blocks[this.row].Index;
+ col = this.index - start;
+ end = start + this.blocks[this.row].Count ();
+ }
+ var group = new Array ();
+ var indices = new Array (gnum, gidx, col);
+ group.push (indices);
+ var row = this.row;
+ var block = this.blocks[row++];
+ while (start < end)
+ {
+ var c = block.get (start - block.Index);
+ group.push (c);
+ start++;
+ if (start == block.Index + block.Count ())
+ block = this.blocks[row++];
+ }
+ return group;
+ }
+}) ();
+
+MIM.im_domain = new Xex.Domain ('input-method', null, null);
+MIM.im_domain.DefType (MIM.KeySeq.prototype);
+MIM.im_domain.DefType (MIM.Marker.prototype);
+MIM.im_domain.DefType (MIM.Selector.prototype);
+MIM.im_domain.DefType (MIM.Rule.prototype);
+MIM.im_domain.DefType (MIM.Map.prototype);
+MIM.im_domain.DefType (MIM.State.prototype);
+
+(function () {
+ var im_domain = MIM.im_domain;
+
+ function Finsert (domain, vari, args)
+ {
+ var text;
+ if (args[0].type == 'integer')
+ text = String.fromCharCode (args[0].val);
+ else
+ text = args[0].val;
+ domain.context.ins (text, null);
+ return args[0];
+ }
+
+ function Finsert_candidates (domain, vari, args)
+ {
+ var ic = domain.context;
+ var gsize = domain.variables['candidates-group-size'];
+ var candidates = new MIM.Candidates (ic, args,
+ gsize ? gsize.val.Intval () : 0);
+ ic.ins (candidates.Current (), candidates);
+ return args[0];
+ }
+
+ function Fdelete (domain, vari, args)
+ {
+ var ic = domain.context;
+ var pos = args[0].IsInt ? args[0].Intval () : args[0].Position (ic);
+ return new Xex.IntTerm (ic.del (pos));
+ }
+
+ function Fselect (domain, vari, args)
+ {
+ var ic = domain.context;
+ var can = ic.candidates;
+
+ if (can)
+ {
+ var old_text = can.Current ();
+ var new_text = can.Select (args[0]);
+ ic.rep (old_text, new_text, can);
+ }
+ else
+ Xex.Log ('no candidates at ' + ic.cursor_pos + ' of ' + ic.candidate_table.table.length);
+ return args[0];
+ }
+
+ function Fshow (domain, vari, args)
+ {
+ domain.context.candidate_show = true;
+ domain.context.changed |= MIM.ChangedStatus.CandidateShow;
+ return Xex.nil;
+ }
+
+ function Fhide (domain, vari, args)
+ {
+ domain.context.candidate_show = false;
+ domain.context.changed |= MIM.ChangedStatus.CandidateShow;
+ return Xex.nil;
+ }
+
+ function Fchar_at (domain, vari, args)
+ {
+ return new Xex.IntTerm (args[0].CharAt (domain.context));
+ }
+
+ function Fmove (domain, vari, args)
+ {
+ var ic = domain.context;
+ var pos = args[0].IsInt ? args[0].val : args[0].Position (ic);
+ ic.move (pos);
+ return new Xex.IntTerm (pos);
+ }
+
+ function Fmark (domain, vari, args)
+ {
+ args[0].Mark (domain.context);
+ return args[0];
+ }
+
+ function Fpushback (domain, vari, args)
+ {
+ var a = (args[0].IsInt ? args[0].Intval ()
+ : args[0].IsStr ? new KeySeq (args[0])
+ : args[0]);
+ domain.context.pushback (a);
+ return args[0];
+ }
+
+ function Fpop (domain, vari, args)
+ {
+ var ic = domain.context;
+ if (ic.key_head < ic.keys.val.length)
+ ic.keys.val.splice (ic.keys_head, 1);
+ return Xex.nil;
+ }
+
+ function Fundo (domain, vari, args)
+ {
+ var ic = domain.context;
+ var n = args.length == 0 ? -2 : args[0].val;
+ Xex.Log ('undo with arg ' + args[0]);
+ if (n < 0)
+ ic.keys.val.splice (ic.keys.val.length + n, -n);
+ else
+ ic.keys.val.splice (n, ic.keys.val.length);
+ ic.reset (false);
+ return Xex.nil;
+ }
+
+ function Fcommit (domain, vari, args)
+ {
+ domain.context.commit ();
+ return Xex.nil;
+ }
+
+ function Funhandle (domain, vari, args)
+ {
+ domain.context.commit ();
+ return Xex.Fthrow (domain, vari, Xex.CatchTag._mimtag);
+ }
+
+ function Fshift (domain, vari, args)
+ {
+ var ic = domain.context;
+ var state_name = args[0].val;
+ var state = ic.im.state_list[state_name];
+ if (! state)
+ throw ("Unknown state: " + state_name);
+ ic.shift (state);
+ return args[0];
+ }
+
+ function Fshiftback (domain, vari, args)
+ {
+ domain.context.shift (null);
+ return Xex.nil;
+ }
+
+ function Fkey_count (domain, vari, args)
+ {
+ return new Xex.IntTerm (domain.context.key_head);
+ }
+
+ function Fsurrounding_flag (domain, vari, args)
+ {
+ return new Xex.IntTerm (-1);
+ }
+
+ im_domain.DefSubr (Finsert, "insert", false, 1, 1);
+ im_domain.DefSubr (Finsert_candidates, "insert-candidates", false, 1, 1);
+ im_domain.DefSubr (Fdelete, "delete", false, 1, 1);
+ im_domain.DefSubr (Fselect, "select", false, 1, 1);
+ im_domain.DefSubr (Fshow, "show-candidates", false, 0, 0);
+ im_domain.DefSubr (Fhide, "hide-candidates", false, 0, 0);
+ im_domain.DefSubr (Fmove, "move", false, 1, 1);
+ im_domain.DefSubr (Fmark, "mark", false, 1, 1);
+ im_domain.DefSubr (Fpushback, "pushback", false, 1, 1);
+ im_domain.DefSubr (Fpop, "pop", false, 0, 0);
+ im_domain.DefSubr (Fundo, "undo", false, 0, 1);
+ im_domain.DefSubr (Fcommit, "commit", false, 0, 0);
+ im_domain.DefSubr (Funhandle, "unhandle", false, 0, 0);
+ im_domain.DefSubr (Fshift, "shift", false, 1, 1);
+ im_domain.DefSubr (Fshiftback, "shiftback", false, 0, 0);
+ im_domain.DefSubr (Fchar_at, "char-at", false, 1, 1);
+ im_domain.DefSubr (Fkey_count, "key-count", false, 0, 0);
+ im_domain.DefSubr (Fsurrounding_flag, "surrounding-text-flag", false, 0, 0);
+}) ();
+
+
+(function () {
+ function get_global_var (vname)
+ {
+ if (MIM.im_global.load_status == MIM.LoadStatus.NotLoaded)
+ MIM.im_global.Load ()
+ return MIM.im_global.domain.variables[vname];
+ }
+
+ function include (node)
+ {
+ node = node.firstElement ();
+ if (node.nodeName != 'tags')
+ return null;
+
+ var lang = null, name = null, extra = null, im;
+ for (node = node.firstElement (); node; node = node.nextElement ())
+ {
+ if (node.nodeName == 'language')
+ lang = node.firstChild.nodeValue;
+ else if (node.nodeName == 'name')
+ name = node.firstChild.nodeValue;
+ else if (node.nodeName == 'extra-id')
+ extra = node.firstChild.nodeValue;
+ }
+ if (! lang || ! MIM.imlist[lang])
+ return null;
+ if (! extra)
+ {
+ if (! name || ! (im = MIM.imlist[lang][name]))
+ return null;
+ }
+ else
+ {
+ if (! (im = MIM.imextra[lang][extra]))
+ return null;
+ }
+ if (im.load_status != MIM.LoadStatus.Loaded)
+ {
+ if (im.load_status == MIM.LoadStatus.NotLoaded)
+ im.Load ();
+ if (im.load_status != MIM.LoadStatus.Loading)
+ return null;
+ }
+ return im;
+ }
+
+ var parsers = { };
+
+ parsers['description'] = function (node)
+ {
+ this.description = node.firstChild.nodeValue;
+ return true;
+ }
+ parsers['variable-list'] = function (node)
+ {
+ for (node = node.firstElement (); node; node = node.nextElement ())
+ {
+ var vname = node.attributes['vname'].nodeValue;
+ if (this != MIM.im_global)
+ {
+ var vari = get_global_var (vname);
+ if (vari != null)
+ this.domain.Defvar (vname, vari.desc, vari.val, vari.range);
+ }
+ vname = Xex.Term.Parse (this.domain, node)
+ }
+ return true;
+ }
+ parsers['command-list'] = function (node)
+ {
+ return true;
+ }
+ parsers['macro-list'] = function (node)
+ {
+ for (var n = node.firstElement (); n; n = n.nextElement ())
+ if (n.nodeName == 'xi:include')
+ {
+ var im = include (n);
+ if (! im)
+ {
+ alert ('inclusion fail');
+ throw new Xex.ErrTerm (MIM.Error.ParseError, "inclusion fail: ");
+ }
+ if (im.load_status == MIM.LoadStatus.Loading)
+ return false; // force reloading
+ for (var macro in im.domain.functions)
+ {
+ var func = im.domain.functions[macro];
+ if (func instanceof Xex.Macro)
+ im.domain.CopyFunc (this.domain, macro);
+ }
+ n = n.previousSibling;
+ node.removeChild (n.nextSibling);
+ }
+ Xex.Term.Parse (this.domain, node.firstElement (), null);
+ return true;
+ }
+ parsers['title'] = function (node)
+ {
+ this.title = node.firstChild.nodeValue;
+ return true;
+ }
+ parsers['map-list'] = function (node)
+ {
+ for (node = node.firstElement (); node; node = node.nextElement ())
+ {
+ if (node.nodeName == 'xi:include')
+ {
+ var im = include (node);
+ if (! im)
+ {
+ alert ('inclusion fail');
+ throw new Xex.ErrTerm (MIM.Error.ParseError, "inclusion fail: ");
+ }
+ else if (im.load_status == MIM.LoadStatus.Loading)
+ return false;
+ for (var mname in im.map_list)
+ this.map_list[mname] = im.map_list[mname];
+ }
+ else
+ {
+ var map = Xex.Term.Parse (this.domain, node);
+ this.map_list[map.name] = map;
+ }
+ }
+ return true;
+ }
+ parsers['state-list'] = function (node)
+ {
+ this.domain.map_list = this.map_list;
+ for (node = node.firstElement (); node; node = node.nextElement ())
+ {
+ if (node.nodeName == 'xi:include')
+ {
+ var im = include (node);
+ if (! im)
+ {
+ alert ('inclusion fail');
+ throw new Xex.ErrTerm (MIM.Error.ParseError, "inclusion fail: ");
+ }
+ else if (im.load_status == MIM.LoadStatus.Loading)
+ return false;
+ for (var sname in im.state_list)
+ {
+ state = im.state_list[sname];
+ if (! this.initial_state)
+ this.initial_state = state;
+ this.state_list[sname] = state;
+ }
+ }
+ else if (node.nodeName == 'state')
+ {
+ var state = Xex.Term.Parse (this.domain, node);
+ if (! state.title)
+ state.title = this.title;
+ if (! this.initial_state)
+ this.initial_state = state;
+ this.state_list[state.name] = state;
+ }
+ }
+ delete this.domain.map_list;
+ return true;
+ }
+
+ MIM.IM = function (lang, name, extra_id, file)
+ {
+ this.lang = lang;
+ this.name = name;
+ this.extra_id = extra_id;
+ this.file = file;
+ this.load_status = MIM.LoadStatus.NotLoaded;
+ this.domain = new Xex.Domain (this.lang + '-'
+ + (this.name != 'nil'
+ ? this.name : this.extra_id),
+ MIM.im_domain, null);
+ };
+
+ function load_im (node, im)
+ {
+ //alert ('Loading IM (' + im + ':' + im.lang + '-' + im.name + ')');
+ im.map_list = {};
+ im.initial_state = null;
+ im.state_list = {};
+ for (node = node.firstElement (); node; node = node.nextElement ())
+ {
+ var name = node.nodeName;
+ var parser = parsers[name];
+ if (parser && ! parser.call (im, node))
+ {
+ im.Load ();
+ return;
+ }
+ }
+ //alert ('initial state = ' + im.initial_state);
+ im.load_status = MIM.LoadStatus.Loaded;
+ }
+
+ MIM.IM.prototype = {
+ Load: function ()
+ {
+ this.load_status = MIM.LoadStatus.Loading;
+ Xex.Load (MIM.server, this.file, load_im, this);
+ }
+ };
+
+ MIM.IC = function (im, target)
+ {
+ if (im.load_status == MIM.LoadStatus.NotLoaded)
+ im.Load ();
+ if (im.load_status != MIM.LoadStatus.Loaded)
+ alert ('im:' + im.name + ' error:' + im.load_status);
+ this.im = im;
+ this.target = target;
+ this.domain = new Xex.Domain ('context', im.domain, this);
+ this.active = true;
+ this.range = new Array ();
+ this.range[0] = this.range[1] = 0;
+ this.state = null;
+ this.initial_state = this.im.initial_state;
+ this.keys = new MIM.KeySeq ();
+ this.marker_positions = new Array ();
+ this.candidate_table = new MIM.CandidateTable ();
+ this.reset (false);
+ }
+
+ MIM.CandidateTable = function ()
+ {
+ this.table = new Array ();
+ }
+
+ MIM.CandidateTable.prototype.get = function (pos)
+ {
+ for (var i = 0; i < this.table.length; i++)
+ {
+ var elt = this.table[i];
+ if (elt.from < pos && pos <= elt.to)
+ return elt.val;
+ }
+ }
+
+ MIM.CandidateTable.prototype.put = function (from, to, candidates)
+ {
+ for (var i = 0; i < this.table.length; i++)
+ {
+ var elt = this.table[i];
+ if (elt.from < to && elt.to > from)
+ {
+ elt.from = from;
+ elt.to = to;
+ elt.val = candidates;
+ return;
+ }
+ }
+ this.table.push ({ from: from, to: to, val: candidates });
+ }
+
+ MIM.CandidateTable.prototype.adjust = function (from, to, inserted)
+ {
+ var diff = inserted - (to - from);
+ if (diff == 0)
+ return;
+ for (var i = 0; i < this.table.length; i++)
+ {
+ var elt = this.table[i];
+ if (elt.from >= to)
+ {
+ elt.from += diff;
+ elt.to += diff;
+ }
+ }
+ }
+
+ MIM.CandidateTable.prototype.clear = function ()
+ {
+ this.table.length = 0;
+ }
+
+ function set_cursor (prefix, pos)
+ {
+ this.cursor_pos = pos;
+ var candidates = this.candidate_table.get (pos);
+ if (this.candidates != candidates)
+ {
+ this.candidates = candidates;
+ this.changed |= MIM.ChangedStatus.CandidateList;
+ }
+ }
+
+ function save_state ()
+ {
+ this.state_var_values = this.domain.SaveValues ();
+ this.state_preedit = this.preedit;
+ this.state_key_head = this.key_head;
+ this.state_pos = this.cursor_pos;
+ }
+
+ function restore_state ()
+ {
+ this.domain.RestoreValues (this.state_var_values);
+ this.preedit = this.state_preedit;
+ set_cursor.call (this, "restore", this.state_pos);
+ }
+
+ function handle_key ()
+ {
+ Xex.Log ('Key(' + this.key_head + ') "' + this.keys.val[this.key_head]
+ + '" in ' + this.state.name + ':' + this.keymap.name
+ + " key/state/commit-head/len:"
+ + this.key_head + '/' + this.state_key_head + '/' + this.commit_key_head + '/' + this.keys.val.length);
+ var out = this.state.keymap.Lookup (this.keys, this.state_key_head);
+ var sub = out.map;
+
+ if (out.index > this.key_head)
+ {
+ this.key_head = out.index;
+ Xex.Log (' with submap', -1);
+ restore_state.call (this);
+ this.keymap = sub;
+ if (sub.map_actions)
+ {
+ Xex.Log ('taking map actions:');
+ if (! this.take_actions (sub.map_actions))
+ return false;
+ }
+ else if (sub.submaps)
+ {
+ Xex.Log ('no map actions');
+ for (var i = this.state_key_head; i < this.key_head; i++)
+ {
+ Xex.Log ('inserting key:' + this.keys.val[i].key);
+ this.ins (this.keys.val[i].key, null);
+ }
+ }
+ if (! sub.submaps)
+ {
+ Xex.Log ('terminal:');
+ if (this.keymap.branch_actions)
+ {
+ Xex.Log ('branch actions:');
+ if (! this.take_actions (this.keymap.branch_actions))
+ return false;
+ }
+ if (sub != this.state.keymap)
+ this.shift (this.state);
+ }
+ }
+ else
+ {
+ Xex.Log (' without submap', -1);
+ this.keymap = sub;
+ var current_state = this.state;
+ var map = this.keymap;
+
+ if (map.branch_actions)
+ {
+ Xex.Log ('branch actions:');
+ if (! this.take_actions (map.branch_actions))
+ return false;
+ }
+
+ if (map == this.keymap)
+ {
+ Xex.Log ('no state change');
+ if (map == this.initial_state.keymap
+ && this.key_head < this.keys.val.length)
+ {
+ Xex.Log ('unhandled');
+ return false;
+ }
+ if (map != current_state.keymap)
+ this.shift (current_state);
+ else if (this.keymap.actions == null)
+ this.shift (this.initial_state);
+ }
+ }
+ return true;
+ }
+
+ MIM.IC.prototype = {
+ reset: function (clear_keys)
+ {
+ this.cursor_pos = 0;
+ this.prev_state = null;
+ this.title = this.initial_state.title;
+ this.state_preedit = '';
+ this.state_key_head = 0;
+ this.state_var_values = {};
+ this.state_pos = 0;
+ this.key_head = 0;
+ if (clear_keys)
+ this.keys.val.length = 0;
+ this.commit_key_head = 0;
+ this.key_unhandled = false;
+ this.unhandled_key = null;
+ this.changed = MIM.ChangedStatus.None;
+ this.error_message = '';
+ this.title = this.initial_state.title;
+ this.produced = '';
+ this.preedit = '';
+ this.preedit_saved = '';
+ if (this.candidate_show)
+ MIM.hide (this);
+ this.candidate_table.clear ();
+ this.candidates = null;
+ this.candidate_show = false;
+ for (var elt in this.marker_positions)
+ this.marker_positions[elt] = 0;
+ this.shift (this.initial_state);
+ },
+
+ catch_args: new Array (Xex.CatchTag._mimtag, null),
+
+ take_actions: function (actions)
+ {
+ if (actions.length == 0)
+ return true;;
+ var func_progn = this.domain.GetFunc ('progn');
+ var func_catch = this.domain.GetFunc ('catch');
+ this.catch_args[1] = new Xex.Funcall (func_progn, null, actions);
+ var term = new Xex.Funcall (func_catch, null, this.catch_args);
+ term = term.Eval (this.domain);
+ return (! term.IsSymbol || term.val != '@mimtag');
+ },
+
+ GetSurroundingChar: function (pos)
+ {
+ if (pos < 0)
+ {
+ pos += this.range[0];
+ if (pos < 0)
+ return -1;
+ }
+ else
+ {
+ pos += this.range[1];
+ if (pos >= this.target.value.length)
+ return -1;
+ }
+ return this.target.value.charCodeAt (pos);
+ },
+
+ DelSurroundText: function (pos)
+ {
+ var text;
+ if (pos < 0)
+ {
+ pos += this.range[0];
+ if (pos <= 0)
+ {
+ pos = 0; text = '';
+ }
+ else
+ text = this.target.value.substring (0, pos);
+ if (this.range[0] < this.target.value.length)
+ text += this.target.value.substring (this.range[0]);
+ this.target.value = text;
+ this.range[1] -= this.range[0] - pos;
+ this.range[0] = pos;
+ }
+ else
+ {
+ pos += this.range[1];
+ text = this.target.value.substring (0, this.range[1]);
+ if (pos >= this.target.value.length)
+ pos = this.target.value.length;
+ else
+ text += this.target.value.substring (pos);
+ this.target.value = text;
+ }
+ },
+
+ adjust_markers: function (from, to, inserted)
+ {
+ var diff = inserted - (to - from);
+
+ for (var name in this.marker_positions)
+ {
+ var pos = this.marker_positions[name];
+ if (pos > from)
+ {
+ if (pos >= to)
+ this.marker_positions[name] += diff;
+ else if (pos > from)
+ this.marker_positions[name] = from;
+ }
+ }
+ },
+
+ preedit_replace: function (from, to, text, candidates)
+ {
+ var newlen = text.length;
+ this.preedit = (this.preedit.substring (0, from)
+ + text + this.preedit.substring (to));
+ this.changed |= MIM.ChangedStatus.Preedit | MIM.ChangedStatus.CursorPos;
+ this.adjust_markers (from, to, newlen);
+ this.candidate_table.adjust (from, to, newlen);
+ if (candidates)
+ this.candidate_table.put (from, from + newlen, candidates)
+ if (this.cursor_pos >= to)
+ set_cursor.call (this, 'adjust', this.cursor_pos + text.length - (to - from));
+ else if (this.cursor_pos > from)
+ set_cursor.call (this, 'adjust', from)
+ },
+
+ ins: function (text, candidates)
+ {
+ this.preedit_replace (this.cursor_pos, this.cursor_pos, text, candidates);
+ },
+
+ rep: function (old_text, new_text, candidates)
+ {
+ this.preedit_replace (this.cursor_pos - old_text.length,
+ this.cursor_pos, new_text, candidates);
+ },
+
+ del: function (pos)
+ {
+ var deleted = pos - this.cursor_pos;
+ if (pos < this.cursor_pos)
+ {
+ if (pos < 0)
+ {
+ this.DelSurroundText (pos);
+ deleted = - this.cursor_pos;
+ pos = 0;
+ }
+ if (pos < this.cursor_pos)
+ this.preedit_replace (pos, this.cursor_pos, '', null);
+ }
+ else
+ {
+ if (pos > this.preedit.length)
+ {
+ this.DelSurroundText (pos - this.preedit.length);
+ deleted = this.preedit.length - this.cursor_pos;
+ pos = this.preedit.length;
+ }
+ if (pos > this.cursor_pos)
+ this.preedit_replace (this.cursor_pos, pos, '', null);
+ }
+ return deleted;
+ },
+
+ show: function ()
+ {
+ this.candidate_show = true;
+ this.changed |= MIM.ChangedStatus.CandidateShow;
+ },
+
+ hide: function ()
+ {
+ this.candidate_show = false;
+ this.changed |= MIM.ChangedStatus.CandidateShow;
+ },
+
+ move: function (pos)
+ {
+ if (pos < 0)
+ pos = 0;
+ else if (pos > this.preedit.length)
+ pos = this.preedit.length;
+ if (pos != this.cursor_pos)
+ {
+ set_cursor.call (this, 'move', pos);
+ this.changed |= MIM.ChangedStatus.Preedit;
+ }
+ },
+
+ pushback: function (n)
+ {
+ if (n instanceof MIM.KeySeq)
+ {
+ if (this.key_head > 0)
+ this.key_head--;
+ if (this.key_head < this.keys.val.length)
+ this.keys.val.splice (this.key_head,
+ this.keys.val.length - this.key_head);
+ for (var i = 0; i < n.val.length; i++)
+ this.keys.val.push (n.val[i]);
+ return;
+ }
+ if (n > 0)
+ {
+ this.key_head -= n;
+ if (this.key_head < 0)
+ this.key_head = 0;
+ }
+ else if (n == 0)
+ this.key_head = 0;
+ else
+ {
+ this.key_head = - n;
+ if (this.key_head > this.keys.val.length)
+ this.key_head = this.keys.val.length;
+ }
+ },
+
+ pop: function ()
+ {
+ if (this.key_head < this.keys.val.length)
+ this.keys.val.splice (this.key_head, 1);
+ },
+
+ commit: function ()
+ {
+ if (this.preedit.length > 0)
+ {
+ this.candidate_table.clear ();
+ this.produced += this.preedit;
+ this.preedit_replace.call (this, 0, this.preedit.length, '', null);
+ this.preedit_saved = '';
+ this.state_pos = 0;
+ this.commit_key_head = this.key_head;
+ }
+ },
+
+ shift: function (state)
+ {
+ if (state == null)
+ {
+ if (this.prev_state == null)
+ return;
+ state = this.prev_state;
+ }
+
+ if (state == this.initial_state)
{
- map = map[c];
- if ('_target_text' in map)
- intermediate_string = map['_target_text'];
- else
- intermediate_string += c;
+ if (this.state)
+ {
+ this.commit ();
+ this.keys.val.splice (0, this.key_head);
+ this.key_head = this.state_key_head = this.commit_key_head = 0;
+ this.prev_state = null;
+ }
}
else
- {
- newmap = new Array ();
- map[c] = newmap;
- map['_has_child'] = true;
- map = newmap;
- intermediate_string += c;
- map['_target_text'] = intermediate_string;
+ {
+ if (state != this.state)
+ this.prev_state = this.state;
+ }
+ if (state != this.state && state.keymap.map_actions)
+ this.take_actions (state.keymap.map_actions);
+ if (! this.state || this.state.title != state.title)
+ this.changed |= MIM.ChangedStatus.StateTitle;
+ this.state = state;
+ this.keymap = state.keymap;
+ save_state.call (this);
+ },
+
+ Filter: function (key)
+ {
+ if (! this.active)
+ {
+ Xex.Log ("active = false");
+ this.key_unhandled = true;
+ this.unhandled_key = key;
+ return false;
+ }
+ if (key.key == '_reload')
+ return true;
+ this.changed = MIM.ChangedStatus.None;
+ this.produced = '';
+ this.key_unhandled = false;
+ this.keys.val.push (key);
+ var count = 0;
+ while (this.key_head < this.keys.val.length)
+ {
+ if (! handle_key.call (this))
+ {
+ if (this.key_head < this.keys.val.length)
+ {
+ this.unhandled_key = this.keys.val[this.key_head];
+ this.keys.val.splice (this.key_head, this.key_head + 1);
+ }
+ if (this.state_key_head > 0)
+ this.state_key_head--;
+ if (this.commit_key_head > 0)
+ this.commit_key_head--;
+ this.key_unhandled = true;
+ break;
+ }
+ if (++count == 10)
+ {
+ this.reset (true);
+ this.key_unhandled = true;
+ break;
+ }
+ }
+ if (this.keymap == this.initial_state.keymap)
+ this.commit ();
+
+ if (this.commit_key_head > 0)
+ {
+ this.keys.val.splice (0, this.commit_key_head);
+ this.key_head -= this.commit_key_head;
+ this.state_key_head -= this.commit_key_head;
+ this.commit_key_head = 0;
+ }
+ if (this.key_unhandled)
+ {
+ this.keys.val.length = 0;
+ //this.keys.val.splice (0, this.keys.val.length);
+ this.key_head = this.state_key_head = this.commit_key_head = 0;
+ }
+ if (this.changed & MIM.ChangedStatus.Candidate)
+ {
+ if (this.candidate_show && this.candidates)
+ MIM.show (this);
+ else
+ MIM.hide (this);
}
+ return (! this.key_unhandled
+ && this.produced.length == 0);
}
- map['_target_text'] = str;
- }
+ };
- this.lookup = function (keyseq, limit)
+ MIM.create_list = function (node)
{
- var map = this.keymap;
+ // Load the list of input methods.
+ for (node = node.firstChild; node; node = node.nextSibling)
+ if (node.nodeName == 'input-method')
+ {
+ var lang = null, name = null, extra_id = null, file = null;
- if (limit > keyseq.length)
- limit = keyseq.length;
- for (var i = 0; i < limit; i++)
+ for (var n = node.firstChild; n; n = n.nextSibling)
+ {
+ if (n.nodeName == 'language')
+ lang = n.firstChild.nodeValue;
+ else if (n.nodeName == 'name')
+ name = n.firstChild.nodeValue;
+ else if (n.nodeName == 'extra-id')
+ extra_id = n.firstChild.nodeValue;
+ else if (n.nodeName == 'filename')
+ file = n.firstChild.nodeValue;
+ }
+ if ((lang == 'ja' && name == 'anthy')
+ || (lang == 'en' && name == 'ispell'))
+ continue;
+ if (name && name != 'nil')
+ {
+ if (! MIM.imlist[lang])
+ MIM.imlist[lang] = {};
+ MIM.imlist[lang][name] = new MIM.IM (lang, name, extra_id, file);
+ }
+ else if (extra_id && extra_id != 'nil')
+ {
+ if (! MIM.imextra[lang])
+ MIM.imextra[lang] = {};
+ MIM.imextra[lang][extra_id] = new MIM.IM (lang, name, extra_id, file);
+ }
+ }
+ if (MIM.imextra.t && MIM.imextra.t.global)
{
- var c = keyseq[i];
- if (! (c in map))
- return i;
- map = map[c];
+ MIM.im_global = MIM.imextra.t.global;
+ MIM.im_global.Load ();
}
- return map;
- }
-
- this.load_map = function (mapdef)
- {
- this.keymap = new Array ();
- for (var keystring in mapdef)
- add_keystring (this.keymap, keystring, mapdef[keystring]);
- }
-
- this.load_map_node = function ()
- {
- this.keymap = new Array ();
- var maps = this.body.getElementsByTagName ('map');
- var map = maps[0];
- var rules = map.getElementsByTagName ('rule');
- for (var i = 0; i < rules.length; i++)
+ else
{
- var rule = rules[i];
- var keyseq_elm = MIM.first_element (rule);
- var keystring = keyseq_elm.attributes[0].nodeValue;
- var insert_elm = MIM.next_element (rule);
- var str = insert_elm.attributes[0].nodeValue;
- add_keystring (this.keymap, keystring, str);
+ MIM.im_global = new MIM.IM ('t', 'nil', 'global', null);
+ MIM.im_global.load_status = MIM.LoadStatus.Error;
}
+ MIM.current = MIM.imlist['t']['latn-post'];
+ MIM.current.Load ();
}
-};
+}) ();
-MIM.error_return = function (msg, ret)
-{
- alert (msg);
- return ret;
-}
+(function () {
+ var keys = new Array ();
+ keys[0x09] = 'Tab';
+ keys[0x08] = 'BackSpace';
+ keys[0x0D] = 'Return';
+ keys[0x1B] = 'Escape';
+ keys[0x20] = 'space';
+ keys[0x21] = 'Page_Up';
+ keys[0x22] = 'Page_Down';
+ keys[0x23] = 'End';
+ keys[0x24] = 'Home';
+ keys[0x25] = 'Left';
+ keys[0x26] = 'Up';
+ keys[0x27] = 'Right';
+ keys[0x28] = 'Down';
+ keys[0x2D] = 'Insert';
+ keys[0x2E] = 'Delete';
+ for (var i = 1; i <= 12; i++)
+ keys[111 + i] = "f" + i;
+ keys[0x90] = "Num_Lock";
+ keys[0xF0] = "Caps_Lock";
-MIM.first_element = function (node)
-{
- node.mim_index = 0;
- return MIM.next_element (node);
-}
+ var keyids = {};
+ keyids['U+0008'] = 'BackSpace';
+ keyids['U+0009'] = 'Tab';
+ keyids['U+0018'] = 'Cancel';
+ keyids['U+001B'] = 'Escape';
+ keyids['U+0020'] = 'space';
+ keyids['U+007F'] = 'Delete';
+ keyids['PageUp'] = 'Page_Up';
+ keyids['PageDown'] = 'Page_Down';
-MIM.next_element = function (node)
-{
- var element = node.childNodes[node.mim_index++];
- while (element && element.nodeType != 1)
- element = node.childNodes[node.mim_index++];
- return element;
-}
+ var modifiers = {}
+ modifiers.Shift = 1;
+ modifiers.Control = 1;
+ modifiers.Alt = 1;
+ modifiers.AltGraph = 1;
+ modifiers.Meta = 1
-MIM.check_map = function (im, map)
-{
- var rules = map.getElementsByTagName ('rule');
- var len = rules.length;
-
- for (var i = 0; i < len; i++)
- {
- var rule = rules[i];
- var elm = MIM.first_element (rule);
+ MIM.decode_key_event = function (event)
+ {
+ var key = event.keyIdentifier;
- if (!elm || elm.nodeName != 'keyseq')
- return false;
- while ((elm = MIM.next_element (rule)))
- if (elm.nodeName != 'insert')
+ if (key) // keydown event of Chrome
+ {
+ if (modifiers[key])
return false;
- }
- return true;
-}
-
-MIM.check_state = function (im, state)
-{
- var branches = state.getElementsByTagName ('branch');
- var len = branches.length;
-
- for (var i = 0; i < len; i++)
- {
- var branch = branches[i];
- var elm = MIM.first_element (branch);
-
- if (elm)
- return false;
- }
- return true;
-}
-
-MIM.parse = function (im)
-{
- var maps = im.body.getElementsByTagName ('map');
- var states = im.body.getElementsByTagName ('state');
- var str = "";
- var i;
-
- if (! maps || maps.length == 0)
- MIM.error_return ('No map', false);
- if (! states)
- MIM.error_return ('No state', false);
- for (i = 0; i < maps.length; i++)
- if (! MIM.check_map (im, maps[i]))
- MIM.error_return ('Unsupported directive in map', false);
- for (var i = 0; i < states.length; i++)
- if (! MIM.check_state (im, states[i]))
- MIM.error_return ('Unsupported directive in state', false);
- im.load_map_node ();
- return true;
-}
-
-MIM.register = function (lang, name, url)
-{
- var im = new MIM.im (lang, name, url);
- if (! (lang in MIM.list))
- MIM.list[lang] = new Array ();
- MIM.list[lang][name] = im;
- return im;
-};
-
-MIM.find = function (lang, name)
-{
- if (! (lang in MIM.list))
- return false;
- if (! (name in MIM.list[lang]))
- return false;
- return MIM.list[lang][name];
-};
-
-MIM.load_async = function (im)
-{
- var obj = (window.XMLHttpRequest ? new XMLHttpRequest ()
- : window.ActiveXObject ? new ActiveXObject ("Msxml2.XMLHTTP")
- : null);
-
- if (! obj)
- alert ("XMLHttpRequest not supported");
- obj.open ('GET', im.url, true);
- im.status = 1; /* loading */
- obj.onreadystatechange = function () {
- if (obj.readyState == 4)
- {
- try {
- eval (obj.responseText);
- im.status = 2; /* loaded */
- } catch (e) {
- alert ("load error:" + e.message + " at " + e.lineNumber
- + " " + obj.responseText);
- im.status = -1; /* load fail */
- }
+ var mod = '';
+ var shifted = event.shiftKey;
+ if (event.ctrlKey) mod += 'C-';
+ if (event.metaKey) mod += 'M-';
+ if (event.altKey) mod += 'A-';
+ var keysym = keyids[key];
+ if (keysym)
+ key = keysym;
+ else if (key.match(/^U\+([0-9A-Z]+)$/))
+ {
+ if (mod.length == 0)
+ return false;
+ var c = parseInt (RegExp.$1, 16);
+ // Chrome sets, for instance, "U+0x00C1" when the key 'A'
+ // is typed with control or alt/meta key.
+ if (c >= 0x80)
+ c -= 0x80;
+ if (c >= 0x41 && c <= 0x5A && ! event.shiftKey)
+ c += 0x20;
+ key = String.fromCharCode (c);
+ shifted = false;
+ }
+ if (shifted) mod += 'S-';
+ return new MIM.Key (mod + key);
}
- };
- obj.send (null);
- return im;
-};
-
-MIM.load_sync = function (im)
-{
- var obj = (window.XMLHttpRequest ? new XMLHttpRequest ()
- : window.ActiveXObject ? new ActiveXObject ("Msxml2.XMLHTTP")
- : null);
-
- if (! obj)
- alert ("XMLHttpRequest not supported");
- obj.open ('GET', 'latn-post.mimx', false);
- obj.overrideMimeType ('text/xml');
- obj.send ("");
- im.body = obj.responseXML;
- document.AnXml = im.body;
- if (MIM.parse (im))
- return im;
- alert (im.parse_error);
- return false;
-};
-
-MIM.load = function (im)
-{
- var s = document.createElement ('script');
-
- s.charset = 'UTF-8';
- s.src = im.url;
- document.body.appendChild (s);
- document.body.removeChild (s);
- im.status = 2;
- return im;
-};
+ else
+ {
+ key = ((event.type == 'keydown' || event.keyCode) ? event.keyCode
+ : event.charCode ? event.charCode
+ : false);
+ if (! key)
+ return false;
+ if (event.type == 'keydown')
+ {
+ key = keys[key];
+ if (! key)
+ return false;
+ if (event.shiftKey) key = "S-" + key ;
+ }
+ else
+ key = String.fromCharCode (key);
+ }
+ if (event.altKey) key = "A-" + key ;
+ if (event.ctrlKey) key = "C-" + key ;
+ return new MIM.Key (key);
+ }
+}) ();
MIM.add_event_listener
= (window.addEventListener
@@ -262,345 +1877,641 @@ MIM.add_event_listener
= function (e) { listener.call (target, e || window.event); };
});
-(function () {
- var keys = new Array ();
- keys[0x09] = 'tab';
- keys[0x08] = 'backspace';
- keys[0x0D] = 'return';
- keys[0x1B] = 'escape';
- keys[0x20] = 'space';
- keys[0x21] = 'pageup';
- keys[0x22] = 'pagedown';
- keys[0x23] = 'end';
- keys[0x24] = 'home';
- keys[0x25] = 'left';
- keys[0x26] = 'up';
- keys[0x27] = 'right';
- keys[0x28] = 'down';
- keys[0x2D] = 'insert';
- keys[0x2E] = 'delete';
- for (var i = 1; i <= 12; i++)
- keys[111 + i] = "f" + i;
- keys[0x90] = "numlock";
- keys[0xF0] = "capslock";
- MIM.special_key = keys;
-}) ();
+MIM.debug_print = function () { };
-MIM.decode_key = function (event)
+MIM.get_range = function (target, ic)
{
- var key = ((event.type == 'keydown' || event.keyCode) ? event.keyCode
- : event.charCode ? event.charCode
- : false);
- if (! key)
- return false;
- if (event.type == 'keydown')
+ var from, to;
+ if (target.selectionStart != null) // for Mozilla
{
- key = MIM.special_key[key];
- if (! key)
- return false;
- if (event.shiftKey) key = "S-" + key ;
- }
- else
- key = String.fromCharCode (key);
- if (event.altKey) key = "A-" + key ;
- if (event.ctrlKey) key = "C-" + key ;
- return key;
+ from = target.selectionStart;
+ to = target.selectionEnd;
+ }
+ else // for IE
+ {
+ var r = document.selection.createRange ();
+ var rr = r.duplicate ();
+
+ rr.moveToElementText (target);
+ rr.setEndPoint ('EndToEnd', range);
+ from = rr.text.length - r.text.length;
+ to = rr.text.length;
+ }
+ if (from == to
+ && from == ic.range[0] + ic.cursor_pos
+ && (ic.preedit.length == 0
+ || ic.preedit == target.value.substring (ic.range[0], ic.range[1])))
+ return true;
+ ic.reset (true);
+ ic.range[0] = from;
+ ic.range[1] = to;
+ return false;
};
-MIM.debug_print = function (event, ic)
+(function () {
+ var style_props = {
+ width: 'width',
+ height: 'height',
+ padingLeft: 'padding-left',
+ paddingRight: 'padding-right',
+ paddingTop: 'padding-top',
+ paddintBottom: 'padding-bottom',
+ marginRight: 'margin-right',
+ marginTop: 'margin-top',
+ borderLeftStyle: 'border-left-style',
+ borderRightStyle: 'border-right-style',
+ borderTopStyle: 'border-top-style',
+ borderBottomStyle: 'border-bottom-style',
+ borderLeftWidth: 'border-left-width',
+ borderRightWidth: 'border-right-width',
+ borderTopWidth: 'border-top-width',
+ borderBottomWidth: 'border-bottom-width',
+ fontFamily: 'font-family',
+ fontSize: 'font-size',
+ lineHeight: 'line-height',
+ letterSpacing: 'letter-spacing',
+ wordSpacing: 'word-spacing' };
+
+ function copy_style (from, to)
+ {
+ var from_style = getComputedStyle(from,'');
+ for(var name in style_props)
+ to.style[name] = from_style[style_props[name]];
+ to.style.left = from.offsetLeft + 'px';
+ to.style.top = from.offsetTop + 'px';
+ to.style.width = from.offsetWidth;
+ to.style.height = from.offsetHeight;
+ return from_style;
+ }
+
+ var temp; // Temporary 'div' element
+
+ MIM.get_preedit_pos = function (target, ic)
+ {
+ if (! temp)
+ {
+ temp = document.createElement ('div');
+ temp.style.visibility = 'hidden';
+ temp.style.position = 'absolute';
+ temp.appendChild (document.createElement ('span'));
+ temp.appendChild (document.createElement ('span'));
+ document.getElementsByTagName ('body')[0].appendChild (temp);
+ }
+ if (temp.ic != ic)
+ {
+ var styles = copy_style (target, temp);
+ ic.abs_top = (parseInt (styles.marginTop)
+ + parseInt (styles.borderTopWidth)
+ + parseInt (styles.paddingTop));
+ ic.abs_left = (parseInt (styles.marginLeft)
+ + parseInt (styles.borderLeftWidth)
+ + parseInt (styles.paddingLeft));
+ for (var elm = target.offsetParent; elm; elm = elm.offsetParent)
+ {
+ ic.abs_top += elm.offsetTop;
+ ic.abs_left += elm.offsetLeft;
+ }
+ temp.ic = ic;
+ }
+ temp.firstChild.innerText = target.value.substring (0, ic.range[0]);
+ temp.lastChild.innerText
+ = (ic.range[0] == ic.range[1] ? "|"
+ : target.value.substring (ic.range[0], ic.range[1]));
+ ic.abs_y = (ic.abs_top + temp.lastChild.offsetTop
+ + temp.lastChild.offsetHeight - target.scrollTop);
+ ic.abs_x0 = ic.abs_left + temp.lastChild.offsetLeft;
+ ic.abs_x1 = ic.abs_x0 + temp.lastChild.offsetWidth;
+ }
+}) ();
+
+MIM.update_bar = function (target, ic)
{
- if (! MIM.debug)
- return;
- if (! MIM.debug_nodes)
+ if (ic.preedit.length > 0)
{
- MIM.debug_nodes = new Array ();
- MIM.debug_nodes['status'] = document.getElementById ('status');
- MIM.debug_nodes['range'] = document.getElementById ('range');
- MIM.debug_nodes['keydown'] = document.getElementById ('keydown');
- MIM.debug_nodes['keypress'] = document.getElementById ('keypress');
- MIM.debug_nodes['keyseq'] = document.getElementById ('keyseq');
+ MIM.get_preedit_pos (target, ic);
+ if (! ic.bar)
+ {
+ ic.bar = document.createElement ('div');
+ ic.bar.style.position = 'absolute';
+ ic.bar.style.backgroundColor = "black";
+ ic.bar.style.minHeight = '1px';
+ document.getElementsByTagName ('body')[0].appendChild (ic.bar);
+ }
+ ic.bar.style.display = 'block'
+ ic.bar.style.top = ic.abs_y + 'px';
+ ic.bar.style.left = ic.abs_x0 + 'px';
+ ic.bar.style.minWidth = ic.bar.style.maxWidth = (ic.abs_x1 - ic.abs_x0) + 'px';
}
- var target = event.target;
- var code = event.keyCode;
- var ch = event.type == 'keydown' ? 0 : event.charCode;
- var key = MIM.decode_key (event);
- var keyseq = "";
-
- MIM.debug_nodes[event.type].innerHTML = "" + code + "/" + ch + " : " + key;
- MIM.debug_nodes['status'].innerHTML = ic.im.status;
- for (var i = 0; i < ic.keyseq.length; i++)
- keyseq += ic.keyseq[i];
- MIM.debug_nodes['keyseq'].innerHTML = keyseq + ":" + ic.keyseq.length;
- MIM.debug_nodes['range'].innerHTML = "" + ic.range[0] + "," + ic.range[1];;
+ else if (ic.bar)
+ ic.bar.style.display = 'none'
};
-MIM.get_range = function (target, range)
+MIM.update = function (target, ic, for_focus_out)
{
- if (target.selectionStart != null)
- {
- // for Mozilla
- range[0] = target.selectionStart;
- range[1] = target.selectionEnd;
- return true;
- }
- if (document.selection != null)
+ var text = target.value;
+ target.value = (text.substring (0, ic.range[0])
+ + ic.produced
+ + ic.preedit
+ + text.substring (ic.range[1]));
+ ic.range[0] += ic.produced.length;
+ ic.range[1] = ic.range[0] + ic.preedit.length;
+ MIM.update_bar (target, ic);
+ if (! for_focus_out)
{
- target.focus();
-
- var range = document.selection.createRange ();
- var bookmark = range.getBookmark ();
- var value = target.value;
- var saved_value = value;
- var marker = "_#_MARKER_#_";
- while (value.indexOf (marker) != -1)
- marker += "#_";
- var parent = range.parentElement ();
- if (parent == null || parent.type != "textarea")
+ var pos = ic.range[0] + ic.cursor_pos;
+ if (target.setSelectionRange) // Mozilla
{
- range[0] = range[1] = 0;
+ var scrollTop = target.scrollTop;
+ target.setSelectionRange (pos, pos);
+ target.scrollTop = scrollTop;
}
- else
+ else // IE
{
- range.text = marker + range.text + marker;
- contents = this.element.value;
- range[0] = contents.indexOf (marker);
- contents = contents.replace(marker, "");
- range[1] = contents.indexOf(marker);
- target.value = originalContents;
- range.moveToBookmark (bookmark);
+ var range = target.createTextRange ();
+ range.moveStart ('character', pos);
+ range.moveEnd ('character', pos);
range.select ();
}
- return true;
}
- return false;
};
-MIM.set_caret = function (target, pos)
-{
- if(/*@cc_on ! @*/ false) // IE
- {
- var range = target.createTextRange ();
- range.move ('character', pos);
- ranges.elect ();
- return true;
- }
- if (target.selectionStart != null) // Mozilla
- {
- target.focus ();
- target.setSelectionRange (pos, pos);
- return true;
- }
- // Unknown
- target.focus ();
- return false;
-};
+(function () {
+ MIM.show = function (ic)
+ {
+ if (! ic.candidates)
+ return;
+ var target = ic.target;
+ MIM.get_preedit_pos (target, ic);
+ if (! ic.can_node)
+ {
+ ic.can_node = document.createElement ('table');
+ ic.can_node.style.position = 'absolute';
+ ic.can_node.style.display = 'none';
+ ic.can_node.style.backgroundColor = "white";
+ ic.can_node.style.border = "1px solid black";
+ document.getElementsByTagName ('body')[0].appendChild (ic.can_node);
+ }
-MIM.ic = function (im, target)
-{
- this.im = im;
- this.target = target;
- this.key = false;
- this.keyseq = new Array ();
- this.range = new Array (-1, -1);
- return this;
-};
+ if (ic.changed & MIM.ChangedStatus.CandidateList)
+ {
+ while (ic.can_node.childNodes.length > 0)
+ ic.can_node.removeChild (ic.can_node.firstChild);
+ var tr = document.createElement ('tr');
+ var group = ic.candidates.CurrentGroup ();
+ var td = document.createElement ('td');
+ td.innerHTML = group[0][1] + '/' + group[0][0];
+ td.style.color = 'white';
+ td.style.backgroundColor = 'black';
+ tr.appendChild (td);
+ for (var i = 1; i < group.length; i++)
+ {
+ var td = document.createElement ('td');
+ td.noWrap = true;
+ td.innerHTML = (i < 10 ? i : i == 10 ? '0' : String.fromCharCode (0x60 + (i - 10))) + '.' + group[i];
+ if (i == group[0][2] + 1)
+ td.style.backgroundColor = 'lightblue';
+ tr.appendChild (td);
+ }
+ ic.can_node.appendChild (tr);
+ ic.can_node.style.top = (ic.abs_y + 10) + 'px';
+ ic.can_node.style.left = ic.abs_x0 + 'px';
+ }
+ else
+ {
+ var td = ic.can_node.firstElement ().firstElement ().nextElement ();
+ var col = ic.candidates.CurrentCol ();
+ for (var i = 0; td; td = td.nextElement ())
+ td.style.backgroundColor = (i++ == col ? 'lightblue' : 'white');
+ }
+ ic.can_node.style.display = 'block';
+ }
-MIM.ic.prototype.reset = function ()
-{
- this.key = false;
- while (this.keyseq.length > 0)
- this.keyseq.pop ();
- this.range[0] = this.range[1] = -1;
-};
+ MIM.hide = function (ic)
+ {
+ if (ic.can_node)
+ ic.can_node.style.display = 'none';
+ }
-MIM.ic.prototype.check_caret = function ()
-{
- var from = this.range[0];
- var to = this.range[1];
+ function real_focus_in (target, ic)
+ {
+ if (MIM.get_range (target, ic))
+ ic.Filter (MIM.Key.FocusIn);
+ MIM.update (target, ic, false);
+ }
- MIM.get_range (this.target, this.range);
- if (from >= 0)
- {
- if (this.range[0] != this.range[1] || to != this.range[0])
- this.reset ();
- else
- this.range[0] = from;
- }
-};
+ var focus_in_timer;
-MIM.insert = function (ic, insert)
-{
- var text = ic.target.value;
- ic.target.value = (text.substring (0, ic.range[0])
- + insert
- + text.substring (ic.range[1]));
- ic.range[1] = ic.range[0] + insert.length;
- MIM.set_caret (ic.target, ic.range[1]);
-};
+ MIM.focus_in = function (event)
+ {
+ var target = event.target;
+ Xex.Log ("Focus in " + target.tagName);
+ focus_in_timer
+ = setTimeout (function () {real_focus_in (target, target.mim_ic)} , 10);
+ return true;
+ }
-function keyseq_string (keyseq)
-{
- var str = "";
- for (var i = 0; i < keyseq.length; i++)
- str += keyseq[i];
- return str;
-}
+ MIM.click = function (event)
+ {
+ var target = event.target;
+ Xex.Log ("Click in " + target.tagName);
+ if (focus_in_timer)
+ {
+ clearTimeout (focus_in_timer);
+ focus_in_timer = null;
+ }
+ real_focus_in (target, target.mim_ic);
+ }
-MIM.handle_keyseq = function (event, ic)
-{
- var map = ic.im.lookup (ic.keyseq, 1000);
- if (map instanceof Array)
- {
- MIM.insert (ic, map['_target_text']);
- if (! ('_has_child' in map))
- ic.reset ();
- event.preventDefault ();
- //document.getElementById ('text').value
- //= keyseq_string (ic.keyseq) + " handled";
- }
- else if (map > 0)
- {
- MIM.insert (ic, ic.im.lookup (ic.keyseq, map)['_target_text']);
- while (map > 0)
- {
- ic.keyseq.shift ();
- map--;
- }
- ic.range[0] = ic.range[1];
- if (ic.keyseq.length > 0)
- MIM.handle_keyseq (event, ic);
- }
- else
- {
- ic.reset ();
- //document.getElementById ('text').value
- //= keyseq_string (ic.keyseq) + " unhandled";
- }
-};
+}) ();
-MIM.reset_ic = function (event)
+MIM.focus_out = function (event)
{
- var ic = event.target.mim_ic;
- if (ic)
- ic.reset ();
+ var target = event.target;
+ var ic = target.mim_ic;
+ Xex.Log ("Focus out " + target.tagName);
+ MIM.get_range (target, ic);
+ MIM.debug_print (event, ic);
+ ic.Filter (MIM.Key.FocusOut);
+ MIM.update (target, ic, true);
+ return true;
};
MIM.keydown = function (event)
{
- if (! (event.target.type == "text" || event.target.type == "textarea"))
+ var target = event.target;
+ if (! (target.type == "text" || target.type == "textarea"))
return;
- var ic = event.target.mim_ic;
- if (! ic || ic.im != MIM.current_im)
+ var ic = target.mim_ic;
+ if (! ic || ic.im != MIM.current)
{
- ic = new MIM.ic (MIM.current_im, event.target);
- event.target.mim_ic = ic;
+ target.mim_ic = null;
+ Xex.Log ('creating IC for ' + MIM.current.lang + '-' + MIM.current.name);
+ ic = new MIM.IC (MIM.current, target);
+ if (ic.im.load_status != MIM.LoadStatus.Loaded)
+ return true;
+ target.mim_ic = ic;
+ MIM.add_event_listener (target, 'focus', MIM.focus_in);
+ MIM.add_event_listener (target, 'blur', MIM.focus_out);
+ MIM.add_event_listener (target, 'click', MIM.click);
}
- MIM.add_event_listener (event.target, 'blur', MIM.reset_ic);
+ MIM.get_range (target, ic)
MIM.debug_print (event, ic);
- if (ic.im.status < 0)
- return;
- ic.check_caret ();
- ic.key = MIM.decode_key (event);
+ ic.key = MIM.decode_key_event (event);
+ if (ic.key)
+ {
+ try {
+ var result = ic.Filter (ic.key);
+ } catch (e) {
+ Xex.Log ('Error' + e);
+ throw (e);
+ }
+ MIM.update (target, ic, false);
+ if (! ic.key_unhandled)
+ event.preventDefault ();
+ }
};
MIM.keypress = function (event)
{
- if (! (event.target.type == "text" || event.target.type == "textarea"))
+ var target = event.target;
+ if (! (target.type == "text" || target.type == "textarea"))
return;
- var ic = event.target.mim_ic;
+ var ic = target.mim_ic;
var i;
- MIM.debug_print (event, ic);
- if (ic.im.status < 0)
- return;
- if (! ic.key)
- ic.key = MIM.decode_key (event);
- if (! ic.key)
- {
- ic.reset ();
+ try {
+ if (ic.im.load_status != MIM.LoadStatus.Loaded)
return;
+ if (! ic.key)
+ ic.key = MIM.decode_key_event (event);
+ if (! ic.key)
+ {
+ ic.reset (true);
+ return;
+ }
+
+ try {
+ var result = ic.Filter (ic.key);
+ } catch (e) {
+ Xex.Log ('Error:' + e);
+ throw (e);
}
- ic.keyseq.push (ic.key);
- if (ic.im.status == 1) // Still loading.
- return;
- MIM.handle_keyseq (event, ic);
+ MIM.update (target, ic, false);
+ if (! ic.key_unhandled)
+ event.preventDefault ();
+ } catch (e) {
+ Xex.Log ("error:" + e);
+ event.preventDefault ();
+ } finally {
+ MIM.debug_print (event, ic);
+ }
+
return;
};
-MIM.select_im = function (event)
-{
- var target = event.target.parentNode;
- while (target.tagName != "SELECT")
- target = target.parentNode;
- var idx = 0;
- var im = false;
- for (var lang in MIM.list)
- for (var name in MIM.list[lang])
- if (idx++ == target.selectedIndex)
- {
- im = MIM.list[lang][name];
- break;
- }
- document.getElementsByTagName ('body')[0].removeChild (target);
- target.target.focus ();
- if (im && im != MIM.current_im)
- MIM.current_im = MIM.load (im);
-};
+(function () {
+ var lang_category = {
+ European: {
+ cs: { name: 'Czech' },
+ da: { name: 'Danish' },
+ el: { name: 'Greek' },
+ en: { name: 'English' },
+ eo: { name: 'Esperanto' },
+ fr: { name: 'French' },
+ grc: { name: 'ClassicGreek' },
+ hr: { name: 'Croatian' },
+ hy: { name: 'Armenian' },
+ ka: { name: 'Georgian' },
+ kk: { name: 'Kazakh' },
+ ru: { name: 'Russian' },
+ sk: { name: 'Slovak' },
+ sr: { name: 'Serbian' },
+ sv: { name: 'Swedish' },
+ yi: { name: 'Yiddish' } },
+ MiddleEast: {
+ ar: { name: 'Arabic' },
+ dv: { name: 'Divehi' },
+ fa: { name: 'Persian' },
+ he: { name: 'Hebrew' },
+ kk: { name: 'Kazakh' },
+ ps: { name: 'Pushto' },
+ ug: { name: 'Uighur' },
+ yi: { name: 'Yiddish' } },
+ SouthAsia: {
+ as: { name: 'Assamese' },
+ bn: { name: 'Bengali' },
+ bo: { name: 'Tibetan' },
+ gu: { name: 'Gujarati' },
+ hi: { name: 'Hindi' },
+ kn: { name: 'Kannada' },
+ ks: { name: 'Kashmiri' },
+ ml: { name: 'Malayalam' },
+ mr: { name: 'Marathi' },
+ ne: { name: 'Nepali' },
+ or: { name: 'Oriya' },
+ pa: { name: 'Panjabi' },
+ sa: { name: 'Sanskirit' },
+ sd: { name: 'Sindhi' },
+ si: { name: 'Sinhalese' },
+ ta: { name: 'Tamil' },
+ te: { name: 'Telugu' },
+ ur: { name: 'Urdu' } },
+ SouthEastAsia: {
+ cmc: { name: 'Cham' },
+ km: { name: 'Khmer'},
+ lo: { name: 'Lao' },
+ my: { name: 'Burmese' },
+ tai: { name: 'Tai Viet' },
+ th: { name: 'Thai' },
+ vi: { name: 'Vietanamese' } },
+ EastAsia: {
+ ii: { name: 'Yii' },
+ ja: { name: 'Japanese' },
+ ko: { name: 'Korean' },
+ zh: { name: 'Chinese' } },
+ Other: {
+ am: { name: 'Amharic' },
+ ath: { name: 'Carrier' },
+ bla: { name: 'Blackfoot' },
+ cr: { name: 'Cree' },
+ eo: { name: 'Esperanto' },
+ iu: { name: 'Inuktitut' },
+ nsk: { name: 'Naskapi' },
+ oj: { name: 'Ojibwe' },
+ t: { name: 'Generic' } }
+ };
-MIM.destroy_menu = function (event)
-{
- if (event.target.tagName == "SELECT")
- document.getElementsByTagName ('body')[0].removeChild (event.target);
-};
+ function categorize_im ()
+ {
+ var cat, lang, list, name;
+ for (lang in MIM.imlist)
+ {
+ list = null;
+ for (cat in lang_category)
+ if (lang_category[cat][lang])
+ {
+ list = lang_category[cat][lang].list;
+ if (! list)
+ list = lang_category[cat][lang].list = {};
+ for (name in MIM.imlist[lang])
+ list[name] = MIM.imlist[lang][name];
+ }
+ if (! list)
+ for (name in MIM.imlist[lang])
+ Xex.Log ('no category ' + lang + '-' + name);
+ }
+ }
-MIM.select_menu = function (event)
-{
- var target = event.target;
+ var destroy_timer;
+ var last_target;
- if (! ((target.type == "text" || target.type == "textarea")
- && event.which == 1 && event.ctrlKey))
- return;
+ function destroy ()
+ {
+ clearTimeout (destroy_timer);
+ destroy_timer = null;
+ var target = document.getElementById ('mim-menu');
+ if (target)
+ {
+ for (; last_target && last_target.menu_level;
+ last_target = last_target.parentLi)
+ last_target.style.backgroundColor = 'white';
+ var nodes = target.getElementsByTagName ('ul');
+ for (var i = 0; i < nodes.length; i++)
+ nodes[i].style.visibility = 'hidden';
+ nodes = target.getElementsByTagName ('pre');
+ for (var i = 0; i < nodes.length; i++)
+ nodes[i].style.visibility = 'hidden';
+ document.getElementsByTagName ('body')[0].removeChild (target);
+ }
+ }
- var sel = document.createElement ('select');
- sel.onclick = MIM.select_im;
- sel.onmouseout = MIM.destroy_menu;
- sel.style.position='absolute';
- sel.style.left = (event.clientX - 10) + "px";
- sel.style.top = (event.clientY - 10) + "px";
- sel.target = target;
- var idx = 0;
- for (var lang in MIM.list)
- for (var name in MIM.list[lang])
- {
- var option = document.createElement ('option');
- var imname = lang + "-" + name;
- option.appendChild (document.createTextNode (imname));
- option.value = imname;
- sel.appendChild (option);
- if (MIM.list[lang][name] == MIM.current_im)
- sel.selectedIndex = idx;
- idx++;
- }
- sel.size = idx;
- document.getElementsByTagName ('body')[0].appendChild (sel);
-};
+ function destroy_menu () {
+ if (! destroy_timer)
+ destroy_timer = setTimeout (destroy, 1000);
+ return true;
+ }
-MIM.init = function ()
-{
- MIM.add_event_listener (window, 'keydown', MIM.keydown);
- MIM.add_event_listener (window, 'keypress', MIM.keypress);
- MIM.add_event_listener (window, 'mousedown', MIM.select_menu);
- if (window.location == 'http://localhost/mim/index.html')
- MIM.server = 'http://localhost/mim';
- MIM.current_im = MIM.register ('latin', 'post', 'latn-post.js');
- MIM.register ('th', 'kesmanee', 'th-kesmanee.js');
- MIM.load_sync (MIM.current_im);
-};
+ function show_submenu (event)
+ {
+ var target = event.target;
+ if (! target.menu_level)
+ {
+ if (! target.parentNode || ! target.parentNode.menu_level)
+ return true;
+ target = target.parentNode;
+ }
+ if (destroy_timer)
+ {
+ clearTimeout (destroy_timer);
+ destroy_timer = null;
+ }
+ if (last_target && target.parentLi != last_target)
+ {
+ last_target.style.backgroundColor = 'white';
+ while (target.menu_level < last_target.menu_level)
+ {
+ last_target = last_target.parentLi;
+ last_target.style.backgroundColor = 'white';
+ }
+ var nodes = last_target.getElementsByTagName ('ul');
+ for (var i = 0; i < nodes.length; i++)
+ nodes[i].style.visibility = 'hidden';
+ nodes = last_target.getElementsByTagName ('pre');
+ for (var i = 0; i < nodes.length; i++)
+ nodes[i].style.visibility = 'hidden';
+ }
+ last_target = target;
+ target.style.backgroundColor = 'yellow';
+ if (target.menu_level < 3)
+ {
+ if (false)
+ {
+ target.lastChild.style.visibility = 'visible';
+ target.lastChild.style.left = target.clientWidth + 'px';
+ }
+ else
+ {
+ var left = target.clientWidth;
+ for (var n = target.firstElement ().nextElement (); n; n = n.nextElement ())
+ {
+ n.style.visibility = 'visible';
+ n.style.left = left + 'px';
+ left += n.clientWidth;
+ }
+ }
+ }
+ event.preventDefault ();
+ }
-MIM.init_debug = function ()
-{
- MIM.debug = true;
- MIM.init ();
-};
+ function select_im (event)
+ {
+ var target = event.target;
+ if (! target.im)
+ {
+ if (! target.parentNode || ! target.parentNode.menu_level)
+ {
+ event.preventDefault ();
+ return false;
+ }
+ target = target.parentNode;
+ }
+ if (target.im)
+ {
+ MIM.current = target.im;
+ MIM.current.Load ();
+ destroy ();
+ }
+ event.preventDefault ();
+ }
+
+ function create_ul (visibility)
+ {
+ var ul = document.createElement ('ul');
+ ul.name = 'elm';
+ ul.style.position = 'absolute';
+ ul.style.margin = '0px';
+ ul.style.padding = '0px';
+ ul.style.border = '1px solid gray';
+ ul.style.borderBottom = 'none';
+ ul.style.top = '-1px';
+ ul.style.backgroundColor = 'white';
+ ul.style.visibility = visibility;
+ return ul;
+ }
+
+ function create_li (level, text)
+ {
+ var li = document.createElement ('li');
+ li.style.position = 'relative';
+ li.style.margin = '0px';
+ li.style.padding = '1px';
+ li.style.borderBottom = '1px solid gray';
+ li.style.top = '0px';
+ li.style.listStyle = 'none';
+ li.menu_level = level;
+ var nobr = document.createElement ('nobr');
+ nobr.innerHTML = text;
+ li.appendChild (nobr);
+ return li;
+ }
+
+ function create_sep ()
+ {
+ var sep = document.createElement ('pre');
+ sep.name = 'elm';
+ sep.innerHTML = ' ';
+ sep.style.position = 'absolute';
+ sep.style.margin = '0px';
+ sep.style.padding = '2px';
+ sep.style.border = '2px solid black';
+ sep.style.top = '-1px';
+ sep.style.backgroundColor = 'black';
+ sep.style.visibility = 'hidden';
+ return sep;
+ }
+
+ var menu;
+
+ function create_menu (event)
+ {
+ var target = event.target;
+
+ if (! ((target.type == "text" || target.type == "textarea")
+ && event.which == 1 && event.ctrlKey))
+ return;
+ if (! menu)
+ {
+ categorize_im ();
+ menu = create_ul ('visible');
+ menu.style.fontFamily = 'sans-serif';
+ menu.style.fontWeight = 'bold';
+ menu.id = 'mim-menu';
+ menu.onmousedown = select_im;
+ menu.onmouseover = show_submenu;
+ menu.onmouseout = destroy_menu;
+ for (var catname in lang_category)
+ {
+ var cat = lang_category[catname];
+ var li = create_li (1, catname);
+ li.appendChild (create_sep ());
+ var sub = create_ul ('hidden');
+ for (var langname in cat)
+ {
+ var lang = cat[langname];
+ if (! lang.list)
+ continue;
+ var sub_li = create_li (2, lang.name);
+ sub_li.parentLi = li;
+ sub_li.appendChild (create_sep ());
+ var subsub = create_ul ('hidden');
+ for (var name in lang.list)
+ {
+ var im = lang.list[name];
+ var subsub_li = create_li (3, im.name);
+ subsub_li.parentLi = sub_li;
+ subsub_li.im = im;
+ subsub.appendChild (subsub_li);
+ }
+ sub_li.appendChild (subsub);
+ sub.appendChild (sub_li);
+ }
+ li.appendChild (sub);
+ menu.appendChild (li);
+ }
+ lang_category = null;
+ }
+ menu.style.left = (event.clientX - 10) + "px";
+ menu.style.top = (event.clientY - 10) + "px";
+ document.getElementsByTagName ('body')[0].appendChild (menu);
+ };
+
+ MIM.init = function ()
+ {
+ MIM.add_event_listener (window, 'keydown', MIM.keydown);
+ MIM.add_event_listener (window, 'keypress', MIM.keypress);
+ MIM.add_event_listener (window, 'mousedown', create_menu);
+ Xex.Load (MIM.server, "imlist.xml", MIM.create_list);
+ };
+}) ();