mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-12-29 11:30:28 +00:00
646 lines
17 KiB
JavaScript
Executable File
646 lines
17 KiB
JavaScript
Executable File
//--
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//-- TiddlyWiki instance contains TiddlerS
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//--
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function TiddlyWiki(params)
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{
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var tiddlers = {}; // Hashmap by name of tiddlers
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if(params && params.config) {
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this.config = config;
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}
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this.tiddlersUpdated = false;
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this.namedNotifications = []; // Array of {name:,notify:} of notification functions
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this.notificationLevel = 0;
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this.slices = {}; // map tiddlerName->(map sliceName->sliceValue). Lazy.
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this.clear = function() {
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tiddlers = {};
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this.setDirty(false);
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};
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this.fetchTiddler = function(title) {
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var t = tiddlers[title];
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return t instanceof Tiddler ? t : null;
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};
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this.deleteTiddler = function(title) {
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delete this.slices[title];
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delete tiddlers[title];
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};
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this.addTiddler = function(tiddler) {
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delete this.slices[tiddler.title];
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tiddlers[tiddler.title] = tiddler;
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};
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this.forEachTiddler = function(callback) {
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var t;
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for(t in tiddlers) {
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var tiddler = tiddlers[t];
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if(tiddler instanceof Tiddler)
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callback.call(this,t,tiddler);
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}
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};
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}
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//# Set the dirty flag
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TiddlyWiki.prototype.setDirty = function(dirty)
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{
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this.dirty = dirty;
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};
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TiddlyWiki.prototype.isDirty = function()
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{
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return this.dirty;
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};
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TiddlyWiki.prototype.tiddlerExists = function(title)
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{
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var t = this.fetchTiddler(title);
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return t != undefined;
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};
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TiddlyWiki.prototype.isShadowTiddler = function(title)
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{
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return config.shadowTiddlers[title] === undefined ? false : true;
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};
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TiddlyWiki.prototype.createTiddler = function(title)
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{
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var tiddler = this.fetchTiddler(title);
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if(!tiddler) {
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tiddler = new Tiddler(title);
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this.addTiddler(tiddler);
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this.setDirty(true);
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}
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return tiddler;
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};
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TiddlyWiki.prototype.getTiddler = function(title)
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{
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var t = this.fetchTiddler(title);
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if(t != undefined)
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return t;
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else
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return null;
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};
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TiddlyWiki.prototype.getShadowTiddlerText = function(title)
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{
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if(typeof config.shadowTiddlers[title] == "string")
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return config.shadowTiddlers[title];
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else
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return "";
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};
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// Retrieve tiddler contents
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//# Supports tiddler slices or sections, encoded in {{{title}}} argument using
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//# the respective separator characters ({{{::}}} or {{{##}}}).
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TiddlyWiki.prototype.getTiddlerText = function(title,defaultText)
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{
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if(!title)
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return defaultText;
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var pos = title.indexOf(config.textPrimitives.sectionSeparator);
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var section = null;
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if(pos != -1) {
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section = title.substr(pos + config.textPrimitives.sectionSeparator.length);
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title = title.substr(0,pos);
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}
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pos = title.indexOf(config.textPrimitives.sliceSeparator);
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if(pos != -1) {
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var slice = this.getTiddlerSlice(title.substr(0,pos),title.substr(pos + config.textPrimitives.sliceSeparator.length));
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if(slice)
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return slice;
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}
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var tiddler = this.fetchTiddler(title);
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var text = tiddler ? tiddler.text : null;
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if(!tiddler && this.isShadowTiddler(title)) {
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text = this.getShadowTiddlerText(title);
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}
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if(text) {
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if(!section)
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return text;
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var re = new RegExp("(^!{1,6}[ \t]*" + section.escapeRegExp() + "[ \t]*\n)","mg");
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re.lastIndex = 0;
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var match = re.exec(text);
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if(match) {
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var t = text.substr(match.index+match[1].length);
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var re2 = /^!/mg;
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re2.lastIndex = 0;
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match = re2.exec(t); //# search for the next heading
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if(match)
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t = t.substr(0,match.index-1);//# don't include final \n
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return t;
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}
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return defaultText;
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}
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if(defaultText != undefined)
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return defaultText;
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return null;
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};
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TiddlyWiki.prototype.getRecursiveTiddlerText = function(title,defaultText,depth)
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{
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var bracketRegExp = new RegExp("(?:\\[\\[([^\\]]+)\\]\\])","mg");
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var text = this.getTiddlerText(title,null);
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if(text == null)
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return defaultText;
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var textOut = [];
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var match,lastPos = 0;
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do {
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match = bracketRegExp.exec(text);
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if(match) {
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textOut.push(text.substr(lastPos,match.index-lastPos));
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if(match[1]) {
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if(depth <= 0)
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textOut.push(match[1]);
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else
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textOut.push(this.getRecursiveTiddlerText(match[1],"",depth-1));
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}
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lastPos = match.index + match[0].length;
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} else {
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textOut.push(text.substr(lastPos));
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}
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} while(match);
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return textOut.join("");
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};
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//TiddlyWiki.prototype.slicesRE = /(?:^([\'\/]{0,2})~?([\.\w]+)\:\1[\t\x20]*([^\n]+)[\t\x20]*$)|(?:^\|([\'\/]{0,2})~?([\.\w]+)\:?\4\|[\t\x20]*([^\n]+)[\t\x20]*\|$)/gm;
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TiddlyWiki.prototype.slicesRE = /(?:^([\'\/]{0,2})~?([\.\w]+)\:\1[\t\x20]*([^\n]*)[\t\x20]*$)|(?:^\|([\'\/]{0,2})~?([\.\w]+)\:?\4\|[\t\x20]*([^\|\n]*)[\t\x20]*\|$)/gm;
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// @internal
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TiddlyWiki.prototype.calcAllSlices = function(title)
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{
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var slices = {};
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var text = this.getTiddlerText(title,"");
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this.slicesRE.lastIndex = 0;
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var m = this.slicesRE.exec(text);
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while(m) {
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if(m[2])
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slices[m[2]] = m[3];
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else
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slices[m[5]] = m[6];
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m = this.slicesRE.exec(text);
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}
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return slices;
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};
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// Returns the slice of text of the given name
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//#
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//# A text slice is a substring in the tiddler's text that is defined
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//# either like this
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//# aName: textSlice
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//# or
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//# |aName:| textSlice |
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//# or
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//# |aName| textSlice |
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//#
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//# In the text the name (or name:) may be decorated with '' or //
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//# ie this would also a valid text slice:
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//#
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//# |''aName:''| textSlice |
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//#
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//# @param name should only contain "word characters" (i.e. "a-ZA-Z_0-9")
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//# @return [may be undefined] the (trimmed) text of the specified slice.
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TiddlyWiki.prototype.getTiddlerSlice = function(title,sliceName)
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{
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var slices = this.slices[title];
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if(!slices) {
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slices = this.calcAllSlices(title);
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this.slices[title] = slices;
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}
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return slices[sliceName];
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};
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// Build an hashmap of the specified named slices of a tiddler
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TiddlyWiki.prototype.getTiddlerSlices = function(title,sliceNames)
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{
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var t,r = {};
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for(t=0; t<sliceNames.length; t++) {
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var slice = this.getTiddlerSlice(title,sliceNames[t]);
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if(slice)
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r[sliceNames[t]] = slice;
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}
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return r;
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};
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TiddlyWiki.prototype.suspendNotifications = function()
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{
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this.notificationLevel--;
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};
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TiddlyWiki.prototype.resumeNotifications = function()
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{
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this.notificationLevel++;
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};
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// Invoke the notification handlers for a particular tiddler
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TiddlyWiki.prototype.notify = function(title,doBlanket)
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{
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if(!this.notificationLevel) {
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var t;
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for(t=0; t<this.namedNotifications.length; t++) {
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var n = this.namedNotifications[t];
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if((n.name == null && doBlanket) || (n.name == title))
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n.notify(title);
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}
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}
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};
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// Invoke the notification handlers for all tiddlers
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TiddlyWiki.prototype.notifyAll = function()
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{
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if(!this.notificationLevel) {
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var t;
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for(t=0; t<this.namedNotifications.length; t++) {
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var n = this.namedNotifications[t];
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if(n.name)
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n.notify(n.name);
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}
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}
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};
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// Add a notification handler to a tiddler
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TiddlyWiki.prototype.addNotification = function(title,fn)
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{
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var i;
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for(i=0; i<this.namedNotifications.length; i++) {
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if((this.namedNotifications[i].name == title) && (this.namedNotifications[i].notify == fn))
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return this;
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}
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this.namedNotifications.push({name: title, notify: fn});
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return this;
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};
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TiddlyWiki.prototype.removeTiddler = function(title)
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{
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var tiddler = this.fetchTiddler(title);
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if(tiddler) {
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this.deleteTiddler(title);
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this.notify(title,true);
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this.setDirty(true);
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}
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};
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// Reset the sync status of a freshly synced tiddler
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TiddlyWiki.prototype.resetTiddler = function(title)
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{
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var tiddler = this.fetchTiddler(title);
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if(tiddler) {
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tiddler.clearChangeCount();
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this.notify(title,true);
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this.setDirty(true);
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}
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};
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TiddlyWiki.prototype.setTiddlerTag = function(title,status,tag)
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{
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var tiddler = this.fetchTiddler(title);
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if(tiddler) {
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var t = tiddler.tags.indexOf(tag);
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if(t != -1)
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tiddler.tags.splice(t,1);
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if(status)
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tiddler.tags.push(tag);
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tiddler.changed();
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tiddler.incChangeCount();
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this.notify(title,true);
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this.setDirty(true);
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}
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};
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TiddlyWiki.prototype.addTiddlerFields = function(title,fields)
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{
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var tiddler = this.fetchTiddler(title);
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if(!tiddler)
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return;
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merge(tiddler.fields,fields);
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tiddler.changed();
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tiddler.incChangeCount();
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this.notify(title,true);
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this.setDirty(true);
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};
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// Store tiddler in TiddlyWiki instance
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//#
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//# optionally accepts a Tiddler instance as first argument, rendering
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//# subsequent arguments obsolete
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//#
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//# existing tiddlers can be renamed using the newTitle argument
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//#
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//# created and modified arguments are Date objects,
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//# tags argument is an array of strings
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//#
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//# fields should retain existing tiddler's extended fields and use
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//# config.defaultCustomFields as fallback
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//#
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//# NB: Does not trigger autoSaveChanges.
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TiddlyWiki.prototype.saveTiddler = function(title,newTitle,newBody,modifier,modified,tags,fields,clearChangeCount,created,creator)
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{
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var tiddler;
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if(title instanceof Tiddler) {
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tiddler = title;
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title = tiddler.title;
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newTitle = title;
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} else {
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tiddler = this.fetchTiddler(title);
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if(tiddler) {
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created = created || tiddler.created; // Preserve created date
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creator = creator || tiddler.creator;
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this.deleteTiddler(title);
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} else {
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created = created || modified;
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tiddler = new Tiddler();
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}
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fields = merge(merge({},fields),config.defaultCustomFields,true);
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tiddler.set(newTitle,newBody,modifier,modified,tags,created,fields,creator);
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}
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this.addTiddler(tiddler);
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if(clearChangeCount)
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tiddler.clearChangeCount();
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else
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tiddler.incChangeCount();
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if(title != newTitle)
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this.notify(title,true);
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this.notify(newTitle,true);
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if(window.location.protocol == "file:")
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this.setDirty(true);
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return tiddler;
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};
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TiddlyWiki.prototype.incChangeCount = function(title)
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{
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var tiddler = this.fetchTiddler(title);
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if(tiddler)
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tiddler.incChangeCount();
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};
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TiddlyWiki.prototype.getLoader = function()
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{
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if(!this.loader)
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this.loader = new TW21Loader();
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return this.loader;
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};
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TiddlyWiki.prototype.getSaver = function()
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{
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if(!this.saver)
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this.saver = new TW21Saver();
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return this.saver;
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};
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// Return all tiddlers formatted as an HTML string
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TiddlyWiki.prototype.allTiddlersAsHtml = function()
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{
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return this.getSaver().externalize(store);
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};
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// Load contents of a TiddlyWiki from an HTML DIV
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TiddlyWiki.prototype.loadFromDiv = function(src,idPrefix,noUpdate)
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{
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this.idPrefix = idPrefix;
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var storeElem = (typeof src == "string") ? document.getElementById(src) : src;
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if(!storeElem)
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return;
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var tiddlers = this.getLoader().loadTiddlers(this,storeElem.childNodes);
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this.setDirty(false);
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if(!noUpdate) {
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var i;
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for(i = 0;i<tiddlers.length; i++)
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tiddlers[i].changed();
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}
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jQuery(document).trigger("loadTiddlers");
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};
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// Load contents of a TiddlyWiki from a string
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// Returns null if there's an error
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TiddlyWiki.prototype.importTiddlyWiki = function(text)
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{
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var posDiv = locateStoreArea(text);
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if(!posDiv)
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return null;
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var content = "<" + "html><" + "body>" + text.substring(posDiv[0],posDiv[1] + endSaveArea.length) + "<" + "/body><" + "/html>";
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// Create the iframe
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var iframe = document.createElement("iframe");
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iframe.style.display = "none";
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document.body.appendChild(iframe);
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var doc = iframe.document;
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if(iframe.contentDocument)
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doc = iframe.contentDocument; // For NS6
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else if(iframe.contentWindow)
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doc = iframe.contentWindow.document; // For IE5.5 and IE6
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// Put the content in the iframe
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doc.open();
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doc.writeln(content);
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doc.close();
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// Load the content into a TiddlyWiki() object
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var storeArea = doc.getElementById("storeArea");
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this.loadFromDiv(storeArea,"store");
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// Get rid of the iframe
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iframe.parentNode.removeChild(iframe);
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return this;
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};
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TiddlyWiki.prototype.updateTiddlers = function()
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{
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this.tiddlersUpdated = true;
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this.forEachTiddler(function(title,tiddler) {
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tiddler.changed();
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});
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};
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// Return an array of tiddlers matching a search regular expression
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TiddlyWiki.prototype.search = function(searchRegExp,sortField,excludeTag,match)
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{
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var candidates = this.reverseLookup("tags",excludeTag,!!match);
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var t,results = [];
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for(t=0; t<candidates.length; t++) {
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if((candidates[t].title.search(searchRegExp) != -1) || (candidates[t].text.search(searchRegExp) != -1))
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results.push(candidates[t]);
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}
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if(!sortField)
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sortField = "title";
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results.sort(function(a,b) {return a[sortField] < b[sortField] ? -1 : (a[sortField] == b[sortField] ? 0 : +1);});
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return results;
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};
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// Returns a list of all tags in use
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// excludeTag - if present, excludes tags that are themselves tagged with excludeTag
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// Returns an array of arrays where [tag][0] is the name of the tag and [tag][1] is the number of occurances
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TiddlyWiki.prototype.getTags = function(excludeTag)
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{
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var results = [];
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this.forEachTiddler(function(title,tiddler) {
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var g,c;
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for(g=0; g<tiddler.tags.length; g++) {
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var tag = tiddler.tags[g];
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var n = true;
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for(c=0; c<results.length; c++) {
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if(results[c][0] == tag) {
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n = false;
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results[c][1]++;
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}
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}
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if(n && excludeTag) {
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var t = this.fetchTiddler(tag);
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if(t && t.isTagged(excludeTag))
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n = false;
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}
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if(n)
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results.push([tag,1]);
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}
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});
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results.sort(function(a,b) {return a[0].toLowerCase() < b[0].toLowerCase() ? -1 : (a[0].toLowerCase() == b[0].toLowerCase() ? 0 : +1);});
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return results;
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};
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// Return an array of the tiddlers that are tagged with a given tag
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TiddlyWiki.prototype.getTaggedTiddlers = function(tag,sortField)
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{
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return this.reverseLookup("tags",tag,true,sortField);
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};
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TiddlyWiki.prototype.getValueTiddlers = function(field,value,sortField)
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{
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return this.reverseLookup(field,value,true,sortField);
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};
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// Return an array of the tiddlers that link to a given tiddler
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TiddlyWiki.prototype.getReferringTiddlers = function(title,unusedParameter,sortField)
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{
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if(!this.tiddlersUpdated)
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this.updateTiddlers();
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return this.reverseLookup("links",title,true,sortField);
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};
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|
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// Return an array of the tiddlers that do or do not have a specified entry in the specified storage array (ie, "links" or "tags")
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// lookupMatch == true to match tiddlers, false to exclude tiddlers
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TiddlyWiki.prototype.reverseLookup = function(lookupField,lookupValue,lookupMatch,sortField)
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{
|
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var results = [];
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this.forEachTiddler(function(title,tiddler) {
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var f = !lookupMatch;
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var values;
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if(["links", "tags"].contains(lookupField)) {
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values = tiddler[lookupField];
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} else {
|
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var accessor = TiddlyWiki.standardFieldAccess[lookupField];
|
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if(accessor) {
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values = [ accessor.get(tiddler) ];
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} else {
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values = tiddler.fields[lookupField] ? [tiddler.fields[lookupField]] : [];
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}
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|
}
|
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var lookup;
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for(lookup=0; lookup<values.length; lookup++) {
|
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if(values[lookup] == lookupValue)
|
|
f = lookupMatch;
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}
|
|
if(f)
|
|
results.push(tiddler);
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|
});
|
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if(!sortField)
|
|
sortField = "title";
|
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return this.sortTiddlers(results,sortField);
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|
};
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|
|
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// Return the tiddlers as a sorted array
|
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TiddlyWiki.prototype.getTiddlers = function(field,excludeTag)
|
|
{
|
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var results = [];
|
|
this.forEachTiddler(function(title,tiddler) {
|
|
if(excludeTag == undefined || !tiddler.isTagged(excludeTag))
|
|
results.push(tiddler);
|
|
});
|
|
if(field)
|
|
results.sort(function(a,b) {return a[field] < b[field] ? -1 : (a[field] == b[field] ? 0 : +1);});
|
|
return results;
|
|
};
|
|
|
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// Return array of names of tiddlers that are referred to but not defined
|
|
TiddlyWiki.prototype.getMissingLinks = function()
|
|
{
|
|
if(!this.tiddlersUpdated)
|
|
this.updateTiddlers();
|
|
var results = [];
|
|
this.forEachTiddler(function (title,tiddler) {
|
|
if(tiddler.isTagged("excludeMissing") || tiddler.isTagged("systemConfig"))
|
|
return;
|
|
var n;
|
|
for(n=0; n<tiddler.links.length;n++) {
|
|
var link = tiddler.links[n];
|
|
if(this.getTiddlerText(link,null) == null && !this.isShadowTiddler(link) && !config.macros[link])
|
|
results.pushUnique(link);
|
|
}
|
|
});
|
|
results.sort();
|
|
return results;
|
|
};
|
|
|
|
// Return an array of names of tiddlers that are defined but not referred to
|
|
TiddlyWiki.prototype.getOrphans = function()
|
|
{
|
|
var results = [];
|
|
this.forEachTiddler(function (title,tiddler) {
|
|
if(this.getReferringTiddlers(title).length == 0 && !tiddler.isTagged("excludeLists"))
|
|
results.push(title);
|
|
});
|
|
results.sort();
|
|
return results;
|
|
};
|
|
|
|
// Return an array of names of all the shadow tiddlers
|
|
TiddlyWiki.prototype.getShadowed = function()
|
|
{
|
|
var t,results = [];
|
|
for(t in config.shadowTiddlers) {
|
|
if(this.isShadowTiddler(t))
|
|
results.push(t);
|
|
}
|
|
results.sort();
|
|
return results;
|
|
};
|
|
|
|
// Return an array of tiddlers that have been touched since they were downloaded or created
|
|
TiddlyWiki.prototype.getTouched = function()
|
|
{
|
|
var results = [];
|
|
this.forEachTiddler(function(title,tiddler) {
|
|
if(tiddler.isTouched())
|
|
results.push(tiddler);
|
|
});
|
|
results.sort();
|
|
return results;
|
|
};
|
|
|
|
// Resolves a Tiddler reference or tiddler title into a Tiddler object, or null if it doesn't exist
|
|
TiddlyWiki.prototype.resolveTiddler = function(tiddler)
|
|
{
|
|
var t = (typeof tiddler == "string") ? this.getTiddler(tiddler) : tiddler;
|
|
return t instanceof Tiddler ? t : null;
|
|
};
|
|
|
|
// Sort a list of tiddlers
|
|
//# tiddlers - array of Tiddler() objects to be sorted
|
|
//# field - name of field (or extended field) to sort by;
|
|
//# precede with "+" for ascending sort (the default)
|
|
//# or "-" for descending sort
|
|
TiddlyWiki.prototype.sortTiddlers = function(tiddlers,field)
|
|
{
|
|
var asc = +1;
|
|
switch(field.substr(0,1)) {
|
|
case "-":
|
|
asc = -1;
|
|
field = field.substr(1);
|
|
break;
|
|
case "+":
|
|
field = field.substr(1);
|
|
break;
|
|
}
|
|
if(TiddlyWiki.standardFieldAccess[field]) {
|
|
if(field=="title") {
|
|
tiddlers.sort(function(a,b) {return a[field].toLowerCase() < b[field].toLowerCase() ? -asc : (a[field].toLowerCase() == b[field].toLowerCase() ? 0 : asc);});
|
|
} else {
|
|
tiddlers.sort(function(a,b) {return a[field] < b[field] ? -asc : (a[field] == b[field] ? 0 : asc);});
|
|
}
|
|
} else {
|
|
tiddlers.sort(function(a,b) {return a.fields[field] < b.fields[field] ? -asc : (a.fields[field] == b.fields[field] ? 0 : +asc);});
|
|
}
|
|
return tiddlers;
|
|
};
|
|
|