mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-11-24 02:27:19 +00:00
255 lines
7.8 KiB
JavaScript
255 lines
7.8 KiB
JavaScript
/*\
|
|
title: $:/plugins/tiddlywiki/text-slicer/slicer.js
|
|
type: application/javascript
|
|
module-type: startup
|
|
|
|
Setup the root widget event handlers
|
|
|
|
\*/
|
|
(function(){
|
|
|
|
/*jslint node: true, browser: true */
|
|
/*global $tw: false */
|
|
"use strict";
|
|
|
|
// Export name and synchronous status
|
|
exports.name = "slicer";
|
|
exports.platforms = ["browser"];
|
|
exports.after = ["startup"];
|
|
exports.synchronous = true;
|
|
|
|
var SLICER_OUTPUT_TITLE = "$:/TextSlicer";
|
|
|
|
// Install the root widget event handlers
|
|
exports.startup = function() {
|
|
$tw.rootWidget.addEventListener("tm-slice-tiddler",function(event) {
|
|
var slicer = new Slicer($tw.wiki,event.param);
|
|
// slicer.sliceTiddler();
|
|
// slicer.outputTiddlers();
|
|
// Slice up and output the tiddler
|
|
slicer.outputTiddlers(slicer.sliceTiddler(event.param),event.param,event.param);
|
|
slicer.destroy();
|
|
});
|
|
};
|
|
|
|
function Slicer(wiki,sourceTitle) {
|
|
this.wiki = wiki;
|
|
this.sourceTitle = sourceTitle;
|
|
this.currentId = 0;
|
|
this.iframe = null; // Reference to iframe used for HTML parsing
|
|
this.stopWordList = "the and a of on i".split(" ");
|
|
}
|
|
|
|
Slicer.prototype.destroy = function() {
|
|
// Remove the iframe from the DOM
|
|
if(this.iframe && this.iframe.parentNode) {
|
|
this.iframe.parentNode.removeChild(this.iframe);
|
|
}
|
|
};
|
|
|
|
Slicer.prototype.nextId = function() {
|
|
return ++this.currentId;
|
|
};
|
|
|
|
Slicer.prototype.getSourceHtmlDocument = function(tiddler) {
|
|
this.iframe = document.createElement("iframe");
|
|
document.body.appendChild(this.iframe);
|
|
this.iframe.contentWindow.document.open();
|
|
this.iframe.contentWindow.document.write(tiddler.fields.text);
|
|
this.iframe.contentWindow.document.close();
|
|
return this.iframe.contentWindow.document;
|
|
};
|
|
|
|
Slicer.prototype.getSourceWikiDocument = function(tiddler) {
|
|
var widgetNode = this.wiki.makeTranscludeWidget(this.sourceTitle,{document: $tw.fakeDocument, parseAsInline: false}),
|
|
container = $tw.fakeDocument.createElement("div");
|
|
widgetNode.render(container,null);
|
|
return container;
|
|
};
|
|
|
|
Slicer.prototype.getSourceDocument = function() {
|
|
var tiddler = $tw.wiki.getTiddler(this.sourceTitle);
|
|
if(tiddler.fields.type === "text/html") {
|
|
return this.getSourceHtmlDocument(tiddler);
|
|
} else {
|
|
return this.getSourceWikiDocument(tiddler);
|
|
}
|
|
};
|
|
|
|
Slicer.prototype.makeParagraphTitle = function(title,text) {
|
|
// Remove characters other than lowercase alphanumeric and spaces
|
|
var self = this,
|
|
cleanText = text.toLowerCase().replace(/[^\s\xA0]/mg,function($0,$1,$2) {
|
|
if(($0 >= "a" && $0 <= "z") || ($0 >= "0" && $0 <= "9")) {
|
|
return $0;
|
|
} else {
|
|
return " ";
|
|
}
|
|
});
|
|
// Split on word boundaries
|
|
var words = cleanText.split(/[\s\xA0]+/mg);
|
|
// Remove common words
|
|
words = words.filter(function(word) {
|
|
return word && (self.stopWordList.indexOf(word) === -1);
|
|
});
|
|
// Accumulate the number of words that will fit
|
|
var c = 0,
|
|
s = "";
|
|
while(c < words.length && (s.length + words[c].length + 1) < 20) {
|
|
s += "-" + words[c++];
|
|
}
|
|
return this.wiki.generateNewTitle("para" + s);
|
|
};
|
|
|
|
// Slice a tiddler into individual tiddlers
|
|
Slicer.prototype.sliceTiddler = function(title) {
|
|
var self = this,
|
|
tiddlers = {},
|
|
domNode = this.getSourceDocument(),
|
|
parentStack = [],
|
|
addTiddler = function(fields) {
|
|
if(fields.title) {
|
|
tiddlers[fields.title] = $tw.utils.extend({},tiddlers[fields.title],fields);
|
|
return fields.title;
|
|
} else {
|
|
return null;
|
|
}
|
|
},
|
|
addToList = function(parent,child) {
|
|
var parentTiddler = tiddlers[parent] || {},
|
|
parentList = parentTiddler.list || [];
|
|
parentList.push(child);
|
|
addTiddler($tw.utils.extend({title: parent},parentTiddler,{list: parentList}));
|
|
},
|
|
convertTypeToLevel = function(type) {
|
|
if(type.charAt(0) === "h") {
|
|
return parseInt(type.charAt(1),10);
|
|
} else {
|
|
return null;
|
|
}
|
|
},
|
|
popParentStackUntil = function(type) {
|
|
// Pop the stack to remove any entries at the same or lower level
|
|
var newLevel = convertTypeToLevel(type),
|
|
topIndex = parentStack.length - 1;
|
|
do {
|
|
var topLevel = convertTypeToLevel(parentStack[parentStack.length - 1].type);
|
|
if(topLevel !== null && topLevel < newLevel ) {
|
|
break;
|
|
}
|
|
parentStack.length--;
|
|
} while(true);
|
|
return parentStack[parentStack.length - 1].title;
|
|
},
|
|
isBlank = function(s) {
|
|
return (/^[\s\xA0]*$/mg).test(s);
|
|
},
|
|
processNodeList = function(domNodeList) {
|
|
$tw.utils.each(domNodeList,function(domNode) {
|
|
var parentTitle,
|
|
text = domNode.textContent,
|
|
nodeType = domNode.nodeType;
|
|
if(nodeType === 1) {
|
|
var tagName = domNode.tagName.toLowerCase();
|
|
if(tagName === "h1" || tagName === "h2" || tagName === "h3" || tagName === "h4") {
|
|
if(!isBlank(text)) {
|
|
parentTitle = popParentStackUntil(tagName);
|
|
addToList(parentTitle,text);
|
|
parentStack.push({type: tagName, title: addTiddler({
|
|
title: text,
|
|
text: "<<display-heading-tiddler level:'" + tagName + "'>>",
|
|
list: [],
|
|
tags: [parentTitle]
|
|
})});
|
|
}
|
|
} else if(tagName === "ul" || tagName === "ol") {
|
|
var listTitle = title + "-list-" + self.nextId();
|
|
parentTitle = parentStack[parentStack.length - 1].title;
|
|
addToList(parentTitle,listTitle);
|
|
parentStack.push({type: tagName, title: addTiddler({
|
|
title: listTitle,
|
|
text: "<<display-list-tiddler type:'" + tagName + "'>>",
|
|
list: [],
|
|
tags: [parentTitle]
|
|
})});
|
|
processNodeList(domNode.childNodes);
|
|
parentStack.pop();
|
|
} else if(tagName === "li") {
|
|
if(!isBlank(text)) {
|
|
var listItemTitle = title + "-listitem-" + self.nextId();
|
|
parentTitle = parentStack[parentStack.length - 1].title;
|
|
addToList(parentTitle,listItemTitle);
|
|
addTiddler({
|
|
title: listItemTitle,
|
|
text: text,
|
|
list: [],
|
|
tags: [parentTitle]
|
|
});
|
|
}
|
|
} else if(tagName === "p") {
|
|
if(!isBlank(text)) {
|
|
parentTitle = parentStack[parentStack.length - 1].title;
|
|
addToList(parentTitle,addTiddler({
|
|
title: self.makeParagraphTitle(title,text),
|
|
text: text,
|
|
tags: [parentTitle]
|
|
}));
|
|
}
|
|
} else if(domNode.hasChildNodes()) {
|
|
processNodeList(domNode.childNodes);
|
|
}
|
|
}
|
|
});
|
|
};
|
|
parentStack.push({type: "h0", title: addTiddler({
|
|
title: "Sliced up " + title,
|
|
text: "{{||$:/plugins/tiddlywiki/text-slicer/templates/display-document}}",
|
|
list: []
|
|
})});
|
|
console.log(domNode);
|
|
processNodeList(domNode.childNodes);
|
|
return tiddlers;
|
|
};
|
|
|
|
// Output directly to the output tiddlers
|
|
Slicer.prototype.outputTiddlers = function(tiddlers,title,navigateFromTitle) {
|
|
$tw.utils.each(tiddlers,function(tiddlerFields) {
|
|
var title = tiddlerFields.title;
|
|
if(title) {
|
|
$tw.wiki.addTiddler(new $tw.Tiddler($tw.wiki.getCreationFields(),tiddlerFields,$tw.wiki.getModificationFields()));
|
|
}
|
|
});
|
|
// Navigate to output
|
|
var story = new $tw.Story({wiki: $tw.wiki});
|
|
story.navigateTiddler("Sliced up " + title,navigateFromTitle);
|
|
};
|
|
|
|
// Output via an import tiddler
|
|
Slicer.prototype.outputTiddlers_viaImportTiddler = function(tiddlers,navigateFromTitle) {
|
|
// Get the current slicer output tiddler
|
|
var slicerOutputTiddler = $tw.wiki.getTiddler(SLICER_OUTPUT_TITLE),
|
|
slicerOutputData = $tw.wiki.getTiddlerData(SLICER_OUTPUT_TITLE,{}),
|
|
newFields = new Object({
|
|
title: SLICER_OUTPUT_TITLE,
|
|
type: "application/json",
|
|
"plugin-type": "import",
|
|
"status": "pending"
|
|
});
|
|
// Process each tiddler
|
|
slicerOutputData.tiddlers = slicerOutputData.tiddlers || {};
|
|
$tw.utils.each(tiddlers,function(tiddlerFields) {
|
|
var title = tiddlerFields.title;
|
|
if(title) {
|
|
slicerOutputData.tiddlers[title] = tiddlerFields;
|
|
}
|
|
});
|
|
// Save the slicer output tiddler
|
|
newFields.text = JSON.stringify(slicerOutputData,null,$tw.config.preferences.jsonSpaces);
|
|
$tw.wiki.addTiddler(new $tw.Tiddler(slicerOutputTiddler,newFields));
|
|
// Navigate to output
|
|
var story = new $tw.Story({wiki: $tw.wiki});
|
|
story.navigateTiddler(SLICER_OUTPUT_TITLE,navigateFromTitle);
|
|
};
|
|
|
|
})();
|