329 lines
10 KiB
HTML
329 lines
10 KiB
HTML
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<!--
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@license MIT
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Copyright (c) 2015 Horacio "LostInBrittany" Gonzalez
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Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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@element ace-widget
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@blurb LostInBrittany's Ace (http://ace.c9.io/) widget
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@homepage index.html
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@demo demo/index.html
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-->
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<script src="../ace-builds/src-noconflict/ace.js"></script>
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<script src="../ace-builds/src-noconflict/ext-language_tools.js"></script>
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<script src="../ace-builds/src-noconflict/snippets/snippets.js"></script>
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<link rel="import" href="../polymer/polymer.html">
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<link rel="import" href="./ace-widget-shadow-dom.html">
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<dom-module id="ace-widget">
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<template>
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<style>
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:host {
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display: block;
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width: 100%;
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}
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#editor {
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border: 1px solid #e3e3e3;
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border-radius: 4px;
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@apply --ace-widget-editor;
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}
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</style>
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<div id="editor"></div>
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</template>
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<script>
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/* global ace, AceWidgetShadowDom */
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Polymer({
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is: 'ace-widget',
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properties: {
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theme: {
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type: String,
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value: 'ace/theme/eclipse',
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observer: 'themeChanged',
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},
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mode: {
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type: String,
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notify: true,
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observer: 'modeChanged',
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},
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value: {
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type: String,
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notify: true,
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observer: 'valueChanged',
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},
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readonly: {
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type: Boolean,
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value: false,
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observer: 'readonlyChanged',
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},
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softtabs: {
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type: Boolean,
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value: true,
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observer: 'softtabsChanged',
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},
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wrap: {
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type: Boolean,
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value: false,
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observer: 'wrapChanged',
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},
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fontSize: {
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type: String,
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value: '14px',
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observer: 'fontSizeChanged',
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},
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tabSize: {
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type: Number,
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value: 4,
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observer: 'tabSizeChanged',
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},
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snippets: {
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type: String,
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notify: true,
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},
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autoComplete: {
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type: Object,
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notify: true,
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},
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minlines: {
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type: Number,
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value: 15,
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},
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maxlines: {
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type: Number,
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value: 30,
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},
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enableLiveAutocompletion: {
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type: Boolean,
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value: false,
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},
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enableSnippets: {
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type: Boolean,
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value: false,
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},
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initialFocus: {
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type: Boolean,
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value: false,
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},
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placeholder: {
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type: String,
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value: '',
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},
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verbose: {
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type: Boolean,
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value: false,
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},
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baseUrl: {
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type: String,
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value: '',
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}
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},
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behaviors: [
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AceWidgetShadowDom,
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],
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ready: function() {
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},
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attached: function() {
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// console.debug("[ace-widget] attached")
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var div = this.$.editor;
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div.style.width = '100%';
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div.style.height = '100%';
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this.editor = ace.edit(div);
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this.init();
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this.fire('editor-ready', {value: this.editor, oldValue: null});
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// console.debug("[ace-widget] attached")
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this.initializeEditor();
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},
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initializeEditor: function() {
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var self = this;
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var editor = this.editor;
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this.head = document.head;
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if (this.baseUrl)
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ace.config.set('basePath', this.baseUrl);
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else
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ace.config.set('basePath', this.resolveUrl('../ace-builds/src-min-noconflict/'));
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this.themeChanged();
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this.editorValue = '';
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editor.setOption('enableSnippets', this.enableSnippets);
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editor.setOption('enableBasicAutocompletion', true);
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editor.setOption('enableLiveAutocompletion', this.enableLiveAutocompletion);
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editor.on('change', this.editorChangeAction.bind(this));
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editor.on('input', this._updatePlaceholder.bind(this));
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setTimeout(this._updatePlaceholder.bind(this), 100);
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this.session = editor.getSession();
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if (this.initialFocus) {
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editor.focus();
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}
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editor.$blockScrolling = Infinity;
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editor.setTheme(this.theme);
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// Forcing a xyzChanged() call, because the initial one din't do anything as editor wasn't created yet
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this.readonlyChanged();
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this.wrapChanged();
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this.tabSizeChanged();
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this.modeChanged();
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this.softtabsChanged();
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this.fontSizeChanged();
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// Setting content
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// Trying to get content as HTML content
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var htmlContent = Polymer.dom(this).innerHTML.trim();
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// console.debug("[ace-widget] HTML content found", htmlContent);
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// If we have a value in the `value` attribute, we keep it, else we use the HTML content
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if (this.value === undefined) {
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this.value = htmlContent;
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// console.debug("[ace-widget] initializeEditor - using HTML content as value", this.value)
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} else {
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// Forcing a valueChanged() call, because the initial one din't do anything as editor wasn't created yet
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this.valueChanged();
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}
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// min and max lines
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editor.setOptions({
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minLines: this.minlines,
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maxLines: this.maxlines,
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});
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// snippets
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if (this.enableSnippets) {
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var snippetManager = ace.require('ace/snippets').snippetManager;
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snippetManager.register(this.snippets, 'javascript');
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}
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// autoComplete
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var langTools = ace.require('ace/ext/language_tools');
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var aceWidgetCompleter = {
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getCompletions: function(editor, session, pos, prefix, callback) {
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if (prefix.length === 0) {
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callback(null, []);
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return;
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}
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callback(null, self.autoComplete || []);
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},
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};
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langTools.addCompleter(aceWidgetCompleter);
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if (this.verbose) {
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console.debug('[ace-widget] After initializing: editor.getSession().getValue()',
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editor.getSession().getValue());
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}
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},
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fontSizeChanged: function() {
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if (this.editor == undefined) {
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return;
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}
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this.$.editor.style.fontSize = this.fontSize;
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},
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modeChanged: function() {
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if (!this.editor) return;
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this.editor.getSession().setMode(this.mode);
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},
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softtabsChanged: function() {
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if (this.editor == undefined) {
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return;
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}
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this.editor.getSession().setUseSoftTabs(this.softtabs);
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},
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themeChanged: function() {
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if (this.editor == undefined) {
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return;
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}
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this.editor.setTheme(this.theme);
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return;
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},
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valueChanged: function() {
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// console.debug("[ace-widget] valueChanged - ",this.value)
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if (this.editor == undefined) {
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return;
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}
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if (this.editorValue != this.value) {
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this.editorValue = this.value;
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this.editor.clearSelection();
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this.editor.resize();
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}
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},
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readonlyChanged: function() {
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if (this.editor == undefined) {
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return;
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}
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this.editor.setReadOnly(this.readonly);
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this.editor.setHighlightActiveLine(!this.readonly);
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this.editor.setHighlightGutterLine(!this.readonly);
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this.editor.renderer.$cursorLayer.element.style.opacity = this.readonly ? 0 : 1;
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},
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wrapChanged: function() {
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if (this.editor == undefined) {
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return;
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}
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this.editor.getSession().setUseWrapMode(this.wrap);
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},
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tabSizeChanged: function() {
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if (this.editor == undefined) {
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return;
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}
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if (this.tabSize) {
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this.editor.getSession().setTabSize(this.tabSize);
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}
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},
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editorChangeAction: function() {
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// console.debug("[ace-widget] editorChangeAction", {value: this.editorValue, oldValue: this._value})
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this.fire('editor-content', {value: this.editorValue, oldValue: this._value});
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},
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get editorValue() {
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return this.editor.getValue();
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},
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set editorValue(value) {
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if (value === undefined) {
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return;
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}
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this._value = value;
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this.editor.setValue(value);
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// console.debug("[ace-widget] set editorValue", this.editorValue)
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},
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focus: function() {
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this.editor.focus();
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},
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_updatePlaceholder: function() {
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var shouldShow = !this.editor.session.getValue().length;
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var node = this.editor.renderer.emptyMessageNode;
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if (this.verbose) {
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console.debug('[ace-widget] _updatePlaceholder', {shouldShow: shouldShow, node: node});
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}
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if (!shouldShow && node) {
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this.editor.renderer.scroller.removeChild(this.editor.renderer.emptyMessageNode);
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this.editor.renderer.emptyMessageNode = null;
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} else if (shouldShow && !node) {
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if (this.verbose) {
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console.debug('[ace-widget] _updatePlaceholder - shouldShow && !node');
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}
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node = this.editor.renderer.emptyMessageNode = document.createElement('div');
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node.textContent = this.placeholder;
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node.className = 'ace_comment';
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node.style.padding = '0 9px';
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node.style.zIndex = '1';
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node.style.position = 'absolute';
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node.style.color = '#aaa';
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if (this.verbose) {
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console.debug('[ace-widget] _updatePlaceholder - node', node);
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}
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this.editor.renderer.scroller.appendChild(node);
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}
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},
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});
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</script>
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</dom-module>
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