68 lines
2.4 KiB
JavaScript
68 lines
2.4 KiB
JavaScript
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/* Manages a table of Tree type.
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* @author David Callizaya
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*/
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function G_Tree() {
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this.lastSelected = false;
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this.lastSelectedClassName = 'treeNode';
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var me = this;
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this.changeSign = function( element, newSign ){
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/*element must be the TR of the current node */
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var spans = element.cells[0].childNodes;//getElementsByTagName('SPAN');
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for(var r= 0 ; r<spans.length ; r++ ) {
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if(spans[r].nodeName==='SPAN') {
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if(spans[r].getAttribute('name')===newSign) {
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spans[r].style.display='';
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} else {
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spans[r].style.display='none';
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}
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}
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}
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};
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this.getRowOf=function (element) {
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//NOTE: IF (element.offsetParent==null) there is no efect.
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while(element.nodeName!='BODY') {
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if (element.getAttribute('name')) {
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if (element.getAttribute('name').substr(0,9)==='treeNode[') {
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var regexp = /^treeNode\[[^\]]+\]\[([^\]]+)\]$/;
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result = regexp.exec(element.getAttribute('name'));
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if (!(result && result.length>=2)) return false;
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//Now element is the TR of the current node.
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return element.parentNode;
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}
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}
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element = element.parentNode;
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}
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return false;
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};
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this.contract=function( element ){
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if (!(element = this.getRowOf(element))) return;
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var row = element.rowIndex;
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if ( (row+1)>= element.parentNode.rows.length ) return;
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element.parentNode.rows[row+1].style.display = 'none';
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this.changeSign( element , 'plus' );
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};
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this.expand=function( element ){
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if (!(element = this.getRowOf(element))) return;
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var row = element.rowIndex;
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if ( (row+1)>= element.parentNode.rows.length ) return;
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element.parentNode.rows[row+1].style.display = '';
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this.changeSign( element , 'minus' );
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};
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this.select=function( element ){
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if (!(element = this.getRowOf(element))) return;
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if (me.lastSelected) {
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if (me.lastSelected.cells[1]) me.lastSelected.cells[1].className=me.lastSelectedClassName;
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}
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me.lastSelected = element ;
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//me.lastSelected.cells[1].style.filter='Light';
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//me.lastSelected.cells[1].filters['Light'].addAmbient(155,155,155,255);
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me.lastSelectedClassName=me.lastSelected.cells[1].className;
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me.lastSelected.cells[1].className="treeNodeSelected";
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};
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this.refresh=function( div , server ) {
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div.innerHTML = ajax_function( server ,'','' );
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};
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};
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var tree = new G_Tree();
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