mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-07-07 04:24:22 +00:00
107 lines
2.9 KiB
JavaScript
107 lines
2.9 KiB
JavaScript
/*\
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title: $:/core/modules/macros/edit/editors/texteditor.js
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type: application/javascript
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module-type: editor
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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function TextEditor(macroNode) {
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this.macroNode = macroNode;
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}
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TextEditor.prototype.getChildren = function() {
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var tiddler = this.macroNode.wiki.getTiddler(this.macroNode.tiddlerTitle),
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field = this.macroNode.hasParameter("field") ? this.macroNode.params.field : "title",
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value;
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if(tiddler) {
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value = tiddler.getFieldString(field);
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} else {
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switch(field) {
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case "text":
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value = "Type the text for the tiddler '" + this.macroNode.tiddlerTitle + "'";
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break;
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case "title":
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value = this.macroNode.tiddlerTitle;
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break;
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default:
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value = "";
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break;
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}
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}
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var attributes = {
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"class": ["tw-edit-field"]
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},
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tagName,
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content = [];
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if(field === "text") {
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tagName = "textarea";
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content.push($tw.Tree.Text(value));
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} else {
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tagName = "input";
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attributes.type = "text";
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attributes.value = value;
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}
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return [$tw.Tree.Element(tagName,attributes,content)];
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};
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TextEditor.prototype.addEventHandlers = function() {
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this.macroNode.domNode.addEventListener("focus",this,false);
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this.macroNode.domNode.addEventListener("keyup",this,false);
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};
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TextEditor.prototype.handleEvent = function(event) {
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// Get the value of the field if it might have changed
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if("keyup".split(" ").indexOf(event.type) !== -1) {
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this.saveChanges();
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}
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// Whatever the event, fix the height of the textarea if required
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var self = this;
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window.setTimeout(function() {
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self.fixHeight();
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},5);
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return true;
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};
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TextEditor.prototype.saveChanges = function() {
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var text = this.macroNode.children[0].domNode.value,
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tiddler = this.macroNode.wiki.getTiddler(this.macroNode.tiddlerTitle);
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if(tiddler && text !== tiddler.fields[this.macroNode.params.field]) {
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var update = {};
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update[this.macroNode.params.field] = text;
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this.macroNode.wiki.addTiddler(new $tw.Tiddler(tiddler,update));
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}
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};
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TextEditor.prototype.fixHeight = function() {
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if(this.macroNode.children[0] && this.macroNode.children[0].domNode) {
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var wrapper = this.macroNode.domNode,
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textarea = this.macroNode.children[0].domNode;
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// Set the text area height to 1px temporarily, which allows us to read the true scrollHeight
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var prevWrapperHeight = wrapper.style.height;
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wrapper.style.height = textarea.style.height + "px";
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textarea.style.overflow = "hidden";
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textarea.style.height = "1px";
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textarea.style.height = textarea.scrollHeight + "px";
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wrapper.style.height = prevWrapperHeight;
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}
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};
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TextEditor.prototype.postRenderInDom = function() {
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this.fixHeight();
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};
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TextEditor.prototype.isRefreshable = function() {
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// Don't refresh the editor if it contains the caret or selection
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return document.activeElement !== this.macroNode.children[0].domNode;
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};
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exports["text/x-tiddlywiki"] = TextEditor;
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exports["text/plain"] = TextEditor;
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})();
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