2 * (c) 2005-2011 Richard Cowin (http://openrico.org)
3 * (c) 2005-2011 Matt Brown (http://dowdybrown.com)
5 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
6 * file except in compliance with the License. You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software distributed under the
11 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
12 * either express or implied. See the License for the specific language governing permissions
13 * and limitations under the License.
17 // Requires prototype.js and ricoCommon.js
18 // Data for the tree can be obtained via AJAX requests
19 // Each record in the AJAX response should contain 5 or 6 cells:
20 // cells[0]=parent node id
22 // cells[2]=description
23 // cells[3]=L/zero (leaf), C/non-zero (container)
24 // cells[4]=0->not selectable, 1->selectable (use default action), otherwise the node is selectable and cells[4] contains the action
25 // cells[5]=leafIcon (optional)
28 Rico.TreeControl = function(id,url,options) {
29 this.initialize(id,url,options);
32 Rico.TreeControl.prototype = {
34 * @class Implements a pop-up tree control.
37 * @param id unique identifier
38 * @param url data source
39 * @param options object may contain any of the following:<dl>
40 * <dt>nodeIdDisplay</dt><dd> first, last, tooltip, or none? default=none</dd>
41 * <dt>showCheckBox </dt><dd> show checkbox next to each item? default=false</dd>
42 * <dt>showFolders </dt><dd> show folder icons? default=false</dd>
43 * <dt>showPlusMinus</dt><dd> show +/- icons to open/close branches? default=true</dd>
44 * <dt>showLines </dt><dd> show vertical lines connecting each level? default=true</dd>
45 * <dt>defaultAction</dt><dd> Rico event handle to call when user clicks on an item, default is to call returnValue method</dd>
46 * <dt>height </dt><dd> control height? default=300px</dd>
47 * <dt>width </dt><dd> control width? default=300px</dd>
48 * <dt>leafIcon </dt><dd> class name to display img, default="rico-icon rico-doc" ('none'=no leaf icon)</dd>
51 initialize: function(id,url,options) {
52 Rico.extend(this, new Rico.Popup());
53 Rico.extend(this.options, {
60 defaultAction: Rico.eventHandle(this,'nodeClick'),
63 leafIcon: 'rico-icon rico-doc'
65 Rico.extend(this.options, options || {});
68 this.close=this.closePopup;
69 this.hoverSet = new Rico.HoverSet([]);
71 Rico.onLoad(function() { self.atLoad(); })
75 this.treeDiv=document.createElement("div");
76 this.treeDiv.id=this.id;
77 this.treeDiv.className='ricoTree';
78 if (Rico.theme.treeContent) Rico.addClass(this.treeDiv,Rico.theme.treeContent);
79 this.treeDiv.style.height=this.options.height;
80 this.treeDiv.style.width=this.options.width;
81 this.createContainer();
82 this.content.className=Rico.theme.tree || 'ricoTreeContainer';
83 this.content.appendChild(this.treeDiv);
84 if (this.options.showCheckBox) {
85 this.buttonDiv=document.createElement("div");
86 this.buttonDiv.style.width=this.options.width;
87 this.buttonDiv.className='ricoTreeButtons';
88 if (Rico.getStyle(this.container,'position')=='absolute') {
89 var span=document.createElement("span");
90 span.innerHTML=RicoTranslate.getPhraseById('treeSave');
91 Rico.setStyle(span,{'float':'left',cursor:'pointer'});
92 this.buttonDiv.appendChild(span);
93 Rico.eventBind(span, 'click', Rico.eventHandle(this,'saveSelection'));
95 var span=document.createElement("span");
96 span.innerHTML=RicoTranslate.getPhraseById('treeClear');
97 Rico.setStyle(span,{'float':'right',cursor:'pointer'});
98 this.buttonDiv.appendChild(span);
99 this.content.appendChild(this.buttonDiv);
100 Rico.eventBind(span, 'click', Rico.eventHandle(this,'clrCheckBoxEvent'));
105 setTreeDiv: function(divId) {
106 this.treeDiv = Rico.$(divId);
107 this.openPopup = function() {};
112 if (this.treeDiv.childNodes.length == 0 && this.dataSource) {
117 loadXMLDoc: function(branchPin) {
118 var parms = { id: this.id };
119 if (branchPin) parms.Parent=branchPin;
120 Rico.log('Tree loadXMLDoc: '+this.id);
122 new Rico.ajaxRequest(this.dataSource, {parameters:parms, method:'get', onComplete: function(request) { self.processResponse(request); } });
125 domID: function(nodeID,part) {
126 return 'RicoTree_'+part+'_'+this.id+'_'+nodeID;
129 processResponse: function(request) {
130 var response = request.responseXML.getElementsByTagName("ajax-response");
131 if (response == null || response.length != 1) return;
132 var rowsElement = response[0].getElementsByTagName('rows')[0];
133 var trs = rowsElement.getElementsByTagName("tr");
135 for (var i=0; i < trs.length; i++) {
136 var cells = trs[i].getElementsByTagName("td");
137 if (cells.length < 5) continue;
139 content[5]=this.options.leafIcon;
140 for (var j=0; j<cells.length; j++) {
141 content[j]=Rico.getContentAsString(cells[j],true);
143 content[3] = content[3].match(/^0|L$/i) ? 0 : 1;
144 content[4] = parseInt(content[4]);
145 rowdata.push(content);
147 for (var i=0; i < rowdata.length; i++) {
148 var moreChildren=(i < rowdata.length-1) && (rowdata[i][0]==rowdata[i+1][0]);
149 this.addNode(rowdata[i][0],rowdata[i][1],rowdata[i][2],rowdata[i][3],rowdata[i][4],rowdata[i][5],!moreChildren);
153 addNode: function(parentId, nodeId, nodeDesc, isContainer, isSelectable, leafIcon, isLast) {
154 var parentNode=Rico.$(this.domID(parentId,'Parent'));
155 var parentChildren=Rico.$(this.domID(parentId,'Children'));
156 var level=parentNode ? parentNode.TreeLevel+1 : 0;
157 //alert("addNode at level " + level + " (" + nodeId + ")")
158 var tab = document.createElement("table");
159 var div = document.createElement("div");
160 div.id=this.domID(nodeId,'Children');
161 div.className='ricoTreeBranch';
162 div.style.display=parentNode ? 'none' : '';
166 tab.id=this.domID(nodeId,'Parent');
168 tab.TreeContainer=isContainer;
169 tab.TreeFetchedChildren=this.dataSource ? false : true;
170 var row=tab.insertRow(0);
172 for (var i=0; i<level-1; i++) {
173 td[i]=row.insertCell(-1);
176 var tdParent=parentNode.getElementsByTagName('td');
177 for (var i=0; i<level-2; i++) {
178 td[i].innerHTML=tdParent[i].innerHTML;
180 var img = document.createElement("div");
181 img.className='rico-icon rico-tree-'+(parentChildren.nextSibling && this.options.showLines ? "nodeline" : "nodeblank");
182 td[level-2].appendChild(img);
185 var suffix=isLast && this.options.showLines ? 'last' : '';
186 var prefix=this.options.showLines ? 'node' : '';
187 if (this.options.showPlusMinus && isContainer) {
188 var img = document.createElement("div");
190 img.style.cursor='pointer';
191 Rico.eventBind(img, 'click', Rico.eventHandle(this,'clickBranch'));
192 img.className='rico-icon rico-tree-'+prefix+"p"+suffix;
193 row.insertCell(-1).appendChild(img);
194 } else if (this.options.showLines) {
195 var img = document.createElement("div");
196 img.className='rico-icon rico-tree-node'+suffix;
197 row.insertCell(-1).appendChild(img);
199 if (this.options.showFolders && (isContainer || (leafIcon && leafIcon!='none'))) {
200 var img = document.createElement("div");
202 img.className=leafIcon;
205 img.style.cursor='pointer';
206 Rico.eventBind(img, 'click', Rico.eventHandle(this,'clickBranch'));
207 img.className='rico-icon rico-folderclosed';
209 row.insertCell(-1).appendChild(img);
212 if (isSelectable && this.options.showCheckBox) {
213 var chkbx=document.createElement("input");
214 chkbx.type="checkbox";
216 row.insertCell(-1).appendChild(chkbx);
219 if (isSelectable && !this.options.showCheckBox) {
220 var span=document.createElement('a');
221 if (typeof isSelectable=='string') {
222 span.href=isSelectable;
224 span.href='javascript:void(0)';
225 Rico.eventBind(span, 'click', this.options.defaultAction);
227 this.hoverSet.add(span);
229 var span=document.createElement('p');
231 span.id=this.domID(nodeId,'Desc');
232 span.className='ricoTreeLevel'+level;
233 switch (this.options.nodeIdDisplay) {
234 case 'last': nodeDesc+=' ('+nodeId+')'; break;
235 case 'first': nodeDesc=nodeId+' - '+nodeDesc; break;
236 case 'tooltip': span.title=nodeId; break;
238 span.appendChild(document.createTextNode(nodeDesc));
239 row.insertCell(-1).appendChild(span);
241 var parent=parentChildren || this.treeDiv;
242 parent.appendChild(tab);
243 parent.appendChild(div);
246 nodeClick: function(e) {
247 var node=Rico.eventElement(e);
248 if (this.returnValue) {
249 var t=this.domID('','Desc');
250 this.returnValue(node.id.substr(t.length),node.innerHTML);
255 saveSelection: function(e) {
256 if (this.returnValue) {
257 this.returnValue(this.getCheckedItems());
262 getCheckedItems: function() {
263 var inp=this.treeDiv.getElementsByTagName('input');
265 for (var i=0; i<inp.length; i++) {
266 if (inp[i].type=='checkbox' && inp[i].checked) {
267 vals.push(inp[i].value);
273 setCheckBoxes: function(val) {
274 var inp=this.treeDiv.getElementsByTagName('input');
275 for (var i=0; i<inp.length; i++) {
276 if (inp[i].type=='checkbox') {
282 clrCheckBoxEvent: function(e) {
284 this.setCheckBoxes(false);
287 clickBranch: function(e) {
288 var node=Rico.eventElement(e);
289 var tab=Rico.getParentByTagName(node,'table');
290 if (!tab || !tab.TreeContainer) return;
291 var a=tab.id.split('_');
293 var childDiv=Rico.$(a.join('_'));
294 Rico.toggle(childDiv);
295 if (node.tagName=='DIV') {
296 var v=Rico.visible(childDiv);
297 if (node.className.match(/node(p|m)(last)?$/)) {
298 node.className=node.className.replace(/nodep|nodem/,'node'+(v ? 'm' : 'p'));
299 } else if (node.className.match(/folder(open|closed)$/)) {
300 node.className=node.className.replace(/folder(open|closed)/,'folder'+(v ? 'open' : 'closed'));
301 } else if (node.className.match(/\b(m|p)$/)) {
302 node.className=node.className.replace(/(p|m)$/,v ? 'm' : 'p');
305 if (!tab.TreeFetchedChildren) {
306 tab.TreeFetchedChildren=1;
307 this.loadXMLDoc(node.name);