/public/javascripts/tinymce-3.5.7/jscripts/tiny_mce/plugins/layer/editor_plugin_src.js

  1/**
  2 * editor_plugin_src.js
  3 *
  4 * Copyright 2009, Moxiecode Systems AB
  5 * Released under LGPL License.
  6 *
  7 * License: http://tinymce.moxiecode.com/license
  8 * Contributing: http://tinymce.moxiecode.com/contributing
  9 */
 10
 11(function() {
 12	function findParentLayer(node) {
 13		do {
 14			if (node.className && node.className.indexOf('mceItemLayer') != -1) {
 15				return node;
 16			}
 17		} while (node = node.parentNode);
 18	};
 19
 20	tinymce.create('tinymce.plugins.Layer', {
 21		init : function(ed, url) {
 22			var t = this;
 23
 24			t.editor = ed;
 25
 26			// Register commands
 27			ed.addCommand('mceInsertLayer', t._insertLayer, t);
 28
 29			ed.addCommand('mceMoveForward', function() {
 30				t._move(1);
 31			});
 32
 33			ed.addCommand('mceMoveBackward', function() {
 34				t._move(-1);
 35			});
 36
 37			ed.addCommand('mceMakeAbsolute', function() {
 38				t._toggleAbsolute();
 39			});
 40
 41			// Register buttons
 42			ed.addButton('moveforward', {title : 'layer.forward_desc', cmd : 'mceMoveForward'});
 43			ed.addButton('movebackward', {title : 'layer.backward_desc', cmd : 'mceMoveBackward'});
 44			ed.addButton('absolute', {title : 'layer.absolute_desc', cmd : 'mceMakeAbsolute'});
 45			ed.addButton('insertlayer', {title : 'layer.insertlayer_desc', cmd : 'mceInsertLayer'});
 46
 47			ed.onInit.add(function() {
 48				var dom = ed.dom;
 49
 50				if (tinymce.isIE)
 51					ed.getDoc().execCommand('2D-Position', false, true);
 52			});
 53
 54			// Remove serialized styles when selecting a layer since it might be changed by a drag operation
 55			ed.onMouseUp.add(function(ed, e) {
 56				var layer = findParentLayer(e.target);
 57	
 58				if (layer) {
 59					ed.dom.setAttrib(layer, 'data-mce-style', '');
 60				}
 61			});
 62
 63			// Fixes edit focus issues with layers on Gecko
 64			// This will enable designMode while inside a layer and disable it when outside
 65			ed.onMouseDown.add(function(ed, e) {
 66				var node = e.target, doc = ed.getDoc(), parent;
 67
 68				if (tinymce.isGecko) {
 69					if (findParentLayer(node)) {
 70						if (doc.designMode !== 'on') {
 71							doc.designMode = 'on';
 72
 73							// Repaint caret
 74							node = doc.body;
 75							parent = node.parentNode;
 76							parent.removeChild(node);
 77							parent.appendChild(node);
 78						}
 79					} else if (doc.designMode == 'on') {
 80						doc.designMode = 'off';
 81					}
 82				}
 83			});
 84
 85			ed.onNodeChange.add(t._nodeChange, t);
 86			ed.onVisualAid.add(t._visualAid, t);
 87		},
 88
 89		getInfo : function() {
 90			return {
 91				longname : 'Layer',
 92				author : 'Moxiecode Systems AB',
 93				authorurl : 'http://tinymce.moxiecode.com',
 94				infourl : 'http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/layer',
 95				version : tinymce.majorVersion + "." + tinymce.minorVersion
 96			};
 97		},
 98
 99		// Private methods
100
101		_nodeChange : function(ed, cm, n) {
102			var le, p;
103
104			le = this._getParentLayer(n);
105			p = ed.dom.getParent(n, 'DIV,P,IMG');
106
107			if (!p) {
108				cm.setDisabled('absolute', 1);
109				cm.setDisabled('moveforward', 1);
110				cm.setDisabled('movebackward', 1);
111			} else {
112				cm.setDisabled('absolute', 0);
113				cm.setDisabled('moveforward', !le);
114				cm.setDisabled('movebackward', !le);
115				cm.setActive('absolute', le && le.style.position.toLowerCase() == "absolute");
116			}
117		},
118
119		// Private methods
120
121		_visualAid : function(ed, e, s) {
122			var dom = ed.dom;
123
124			tinymce.each(dom.select('div,p', e), function(e) {
125				if (/^(absolute|relative|fixed)$/i.test(e.style.position)) {
126					if (s)
127						dom.addClass(e, 'mceItemVisualAid');
128					else
129						dom.removeClass(e, 'mceItemVisualAid');
130
131					dom.addClass(e, 'mceItemLayer');
132				}
133			});
134		},
135
136		_move : function(d) {
137			var ed = this.editor, i, z = [], le = this._getParentLayer(ed.selection.getNode()), ci = -1, fi = -1, nl;
138
139			nl = [];
140			tinymce.walk(ed.getBody(), function(n) {
141				if (n.nodeType == 1 && /^(absolute|relative|static)$/i.test(n.style.position))
142					nl.push(n); 
143			}, 'childNodes');
144
145			// Find z-indexes
146			for (i=0; i<nl.length; i++) {
147				z[i] = nl[i].style.zIndex ? parseInt(nl[i].style.zIndex) : 0;
148
149				if (ci < 0 && nl[i] == le)
150					ci = i;
151			}
152
153			if (d < 0) {
154				// Move back
155
156				// Try find a lower one
157				for (i=0; i<z.length; i++) {
158					if (z[i] < z[ci]) {
159						fi = i;
160						break;
161					}
162				}
163
164				if (fi > -1) {
165					nl[ci].style.zIndex = z[fi];
166					nl[fi].style.zIndex = z[ci];
167				} else {
168					if (z[ci] > 0)
169						nl[ci].style.zIndex = z[ci] - 1;
170				}
171			} else {
172				// Move forward
173
174				// Try find a higher one
175				for (i=0; i<z.length; i++) {
176					if (z[i] > z[ci]) {
177						fi = i;
178						break;
179					}
180				}
181
182				if (fi > -1) {
183					nl[ci].style.zIndex = z[fi];
184					nl[fi].style.zIndex = z[ci];
185				} else
186					nl[ci].style.zIndex = z[ci] + 1;
187			}
188
189			ed.execCommand('mceRepaint');
190		},
191
192		_getParentLayer : function(n) {
193			return this.editor.dom.getParent(n, function(n) {
194				return n.nodeType == 1 && /^(absolute|relative|static)$/i.test(n.style.position);
195			});
196		},
197
198		_insertLayer : function() {
199			var ed = this.editor, dom = ed.dom, p = dom.getPos(dom.getParent(ed.selection.getNode(), '*')), body = ed.getBody();
200
201			ed.dom.add(body, 'div', {
202				style : {
203					position : 'absolute',
204					left : p.x,
205					top : (p.y > 20 ? p.y : 20),
206					width : 100,
207					height : 100
208				},
209				'class' : 'mceItemVisualAid mceItemLayer'
210			}, ed.selection.getContent() || ed.getLang('layer.content'));
211
212			// Workaround for IE where it messes up the JS engine if you insert a layer on IE 6,7
213			if (tinymce.isIE)
214				dom.setHTML(body, body.innerHTML);
215		},
216
217		_toggleAbsolute : function() {
218			var ed = this.editor, le = this._getParentLayer(ed.selection.getNode());
219
220			if (!le)
221				le = ed.dom.getParent(ed.selection.getNode(), 'DIV,P,IMG');
222
223			if (le) {
224				if (le.style.position.toLowerCase() == "absolute") {
225					ed.dom.setStyles(le, {
226						position : '',
227						left : '',
228						top : '',
229						width : '',
230						height : ''
231					});
232
233					ed.dom.removeClass(le, 'mceItemVisualAid');
234					ed.dom.removeClass(le, 'mceItemLayer');
235				} else {
236					if (le.style.left == "")
237						le.style.left = 20 + 'px';
238
239					if (le.style.top == "")
240						le.style.top = 20 + 'px';
241
242					if (le.style.width == "")
243						le.style.width = le.width ? (le.width + 'px') : '100px';
244
245					if (le.style.height == "")
246						le.style.height = le.height ? (le.height + 'px') : '100px';
247
248					le.style.position = "absolute";
249
250					ed.dom.setAttrib(le, 'data-mce-style', '');
251					ed.addVisual(ed.getBody());
252				}
253
254				ed.execCommand('mceRepaint');
255				ed.nodeChanged();
256			}
257		}
258	});
259
260	// Register plugin
261	tinymce.PluginManager.add('layer', tinymce.plugins.Layer);
262})();