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TiddlyWiki5/plugins/tiddlywiki/codemirror/codemirroreditor.js
2013-05-15 17:32:28 +01:00

113 lines
3.1 KiB
JavaScript

/*\
title: $:/plugins/tiddlywiki/codemirror/codemirroreditor.js
type: application/javascript
module-type: editor
A Codemirror text editor
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
if($tw.browser) {
require("./codemirror.js")
}
var CodeMirrorEditor = function(editWidget,tiddlerTitle,fieldName) {
this.editWidget = editWidget;
this.tiddlerTitle = tiddlerTitle;
this.fieldName = fieldName;
};
/*
Get the tiddler being edited and current value
*/
CodeMirrorEditor.prototype.getEditInfo = function() {
// Get the current tiddler and the field name
var tiddler = this.editWidget.renderer.renderTree.wiki.getTiddler(this.tiddlerTitle),
value;
// If we've got a tiddler, the value to display is the field string value
if(tiddler) {
value = tiddler.getFieldString(this.fieldName);
} else {
// Otherwise, we need to construct a default value for the editor
switch(this.fieldName) {
case "text":
value = "Type the text for the tiddler '" + this.tiddlerTitle + "'";
break;
case "title":
value = this.tiddlerTitle;
break;
default:
value = "";
break;
}
value = this.editWidget.renderer.getAttribute("default",value);
}
return {tiddler: tiddler, value: value};
};
CodeMirrorEditor.prototype.render = function() {
// Get the initial value of the editor
var editInfo = this.getEditInfo();
// Create the editor nodes
var node = {
type: "element",
attributes: {}
};
this.type = this.editWidget.renderer.getAttribute("type",this.fieldName === "text" ? "textarea" : "input");
switch(this.type) {
case "textarea":
node.tag = "textarea";
node.children = [{
type: "text",
text: editInfo.value
}];
break;
case "search":
node.tag = "input";
node.attributes.type = {type: "string", value: "search"};
node.attributes.value = {type: "string", value: editInfo.value};
break;
default: // "input"
node.tag = "input";
node.attributes.type = {type: "string", value: "text"};
node.attributes.value = {type: "string", value: editInfo.value};
break;
}
// Set the element details
this.editWidget.tag = this.editWidget.renderer.parseTreeNode.isBlock ? "div" : "span";
this.editWidget.attributes = {
"class": "tw-edit-CodeMirrorEditor"
};
this.editWidget.children = this.editWidget.renderer.renderTree.createRenderers(this.editWidget.renderer,[node]);
};
CodeMirrorEditor.prototype.postRenderInDom = function() {
if(this.type === "textarea") {
var self = this;
// HACK: We use the timeout because postRenderInDom is called before the dom nodes have been added to the document
window.setTimeout(function() {
self.codemirrorInstance = CodeMirror.fromTextArea(self.editWidget.children[0].domNode,{
lineWrapping: true,
lineNumbers: true
});
},1);
}
};
CodeMirrorEditor.prototype.refreshInDom = function() {
if(document.activeElement !== this.editWidget.children[0].domNode) {
var editInfo = this.getEditInfo();
this.editWidget.children[0].domNode.value = editInfo.value;
}
};
exports["text/vnd.tiddlywiki"] = CodeMirrorEditor;
exports["text/plain"] = CodeMirrorEditor;
})();