-// (c) Benoît PIN 2006
-// http://plinn.org
-// Licence GPL
-
-var TreeMaker;
-
-(function() {
-/* root -> base node (typically a tbody or a table)
-* filter -> comma separated list of portal_types
-*/
-TreeMaker = function (root, filter, baseImgUrl) {
- this.root = root;
- var tm = this;
- this.root.onclick = function(evt) { tm.refreshTree(evt); };
- this.filter = filter;
- this.baseImgUrl = baseImgUrl;
- this.depthCpt = new Array();
- this._lastAniImg = null;
-
- // preload images
- var images = ['pl.gif', 'pl_ani.gif', 'mi.gif', 'mi_ani.gif'], img;
- for (var i=0 ; i < images.length ; i++) {
- img = new Image();
- img.src = this.baseImgUrl + images[i];
- }
-}
-
-/*
-* expand / collapse handler
-* object loading trigger
-*/
-TreeMaker.prototype.refreshTree = function (evt) {
- var target = getTargetedObject(evt);
- if (target.blur)
- target.blur();
-
- if (target.tagName == 'IMG') {
- target.parentNode.blur();
- var srcParts = target.src.split("/");
- var imgId = srcParts[srcParts.length-1];
- var parentTd = target.parentNode.parentNode;
- var parentRow = parentTd.parentNode;
-
-
- switch (imgId) {
- case "pl.gif" :
- case "pl_ani.gif" :
- var linkCell = parentTd.nextSibling;
- while (linkCell.nodeType != 1)
- linkCell = linkCell.nextSibling;
-
- var obUrl = linkCell.getElementsByTagName("A")[0].href;
-
- var req = new XMLHttpRequest();
- var tm = this;
- req.onreadystatechange = function() {
- switch (req.readyState) {
- case 1:
- showProgressImage();
- break;
- case 4:
- hideProgressImage();
- tm.importRows(req, parentRow);
- };
- };
- req.open("POST", obUrl + "/xml_nav_tree", true);
- req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
- req.send("filter=" + this.filter);
-
- target.src = this.baseImgUrl + "mi_ani.gif";
- this._lastAniImg = target;
-
-
- window.setTimeout(function(){tm._removeLastAniImg();}, 500);
- break;
-
- case "mi.gif" :
- case "mi_ani.gif" :
- this.removeChildNodes(parentRow);
- target.src = this.baseImgUrl + "pl_ani.gif";
- this._lastAniImg = target;
- var tm = this;
- window.setTimeout(function(){tm._removeLastAniImg();}, 500);
- break;
- } // end switch (imgId)
- disableDefault(evt);
- disablePropagation(evt);
- }
-};
-
-
-TreeMaker.prototype._removeLastAniImg = function() {
- if (this._lastAniImg) {
- this._lastAniImg.src = this._lastAniImg.src.replace("_ani", "");
- }
-};
-
-
-/*
-* expand the tree: sends request and imports rows based on xml response.
-*/
-TreeMaker.prototype.importRows = function(req, parentRow) {
- var rows = req.responseXML.documentElement.getElementsByTagName("row");
- var clickedCells = parentRow.getElementsByTagName("TD");
- var row, newRow, indentCell, stateCell, linkCell, img, a, indentValue, colspan,
- incTableDepth=false, cols, linkCellColSpan;
-
- for (var i = 0 ; i < rows.length ; i++ ) {
- row = rows[i];
-
-
- newRow = document.createElement("TR");
- indentCell = document.createElement("TD");
- stateCell = document.createElement("TD");
- stateCell.width = "16";
- linkCell = document.createElement("TD");
- linkCell.width = "99%";
-
-
- if (clickedCells.length == 3) {
- indentValue = parseInt(clickedCells[0].getAttribute("colspan"));
- colspan = parseInt(clickedCells[2].getAttribute("colspan"));
- }
- else {
- indentValue = 0;
- colspan = parseInt(clickedCells[1].getAttribute("colspan"));
- }
-
- cols = indentValue + colspan;
-
- if (colspan == 1)
- incTableDepth = true;
-
- indentCell.colSpan = indentValue + 1;
- if (!this.depthCpt[indentValue])
- this.depthCpt[indentValue] = 1;
- else
- this.depthCpt[indentValue] += 1;
-
- // IE : it's not possible to set colSpan attr to 0 :-(((
- linkCellColSpan = cols - indentValue - 1
- if (linkCellColSpan == 0)
- linkCell.nullColSpan = true;
- else
- linkCell.colSpan = linkCellColSpan;
-
- img = document.createElement("IMG");
- img.src = row.getAttribute("icon");
- img.height = row.getAttribute("height");
- img.width = row.getAttribute("width");
- a = document.createElement("A");
-
- a.setAttribute("href", row.getAttribute("url"));
- a.setAttribute("title", row.getAttribute("description"));
- a.innerHTML = row.childNodes[0].nodeValue;
-
- if (row.getAttribute("state") == "-1") {
- var stateLink = document.createElement("A");
- stateLink.href = ".";
- stateLink.setAttribute("name", row.getAttribute("name"));
- var stateImg = document.createElement("IMG");
- stateImg.src = this.baseImgUrl + "pl.gif";
- stateImg.border = "0";
- stateImg.height = "16";
- stateImg.width = "16";
- stateLink.appendChild(stateImg)
- stateCell.appendChild(stateLink);
- }
- else
- stateCell.innerHTML = " ";
-
- linkCell.appendChild(img);
- linkCell.appendChild(a);
- newRow.appendChild(indentCell);
- newRow.appendChild(stateCell);
- newRow.appendChild(linkCell);
-
-
- this.root.insertBefore(newRow, parentRow.nextSibling);
- } //end for
-
- if (incTableDepth) {
- var rows = this.root.getElementsByTagName("TR");
- var cells, lastCell, lastColspan;
- for (var i = 0 ; i < rows.length ; i++) {
- cells = rows[i].getElementsByTagName("TD");
- lastCell = cells[cells.length - 1];
-
- if (lastCell.nullColSpan) {
- lastCell.nullColSpan = false;
- lastColspan = 0;
- }
- else
- lastColspan = parseInt(lastCell.getAttribute("colspan"));
-
- lastCell.colSpan = lastColspan + 1;
- }
- }
-};
-
-/*
-* collapse the tree: removes deeper rows after the 'baseRow' passed.
-*/
-TreeMaker.prototype.removeChildNodes = function(baseRow) {
- var baseCells = baseRow.getElementsByTagName("TD");
- var baseColSpan = baseCells[baseCells.length-1].colSpan;
- var nextRow = baseRow.nextSibling;
- var tbody = baseRow.parentNode;
- var depthCpt = this.depthCpt;
- var nextCells, nextRow2;
-
- while (nextRow) {
- if (nextRow.nodeType == 1) {
- nextCells = nextRow.getElementsByTagName("TD");
- if (nextCells.length == 3 && nextCells[2].colSpan < baseColSpan) {
- nextRow2 = nextRow.nextSibling;
- depthCpt[nextCells[0].colSpan-1] -= 1;
- tbody.removeChild(nextRow);
- nextRow = nextRow2;
- continue;
- }
- break;
- }
- nextRow = nextRow.nextSibling; // text node
- }
-
- // recalc colspans for Safari
- var maxDepth = depthCpt.length - 1;
- var depthReduction = 0;
- while (depthCpt[maxDepth - depthReduction] == 0) {
- depthCpt.pop();
- depthReduction++;
- }
-
- if (depthReduction) {
- var rows = tbody.getElementsByTagName("TR");
- var cells, lastCell, lastColspan;
- for (var i = 0 ; i < rows.length ; i++) {
- cells = rows[i].getElementsByTagName("TD");
- lastCell = cells[cells.length - 1];
- lastCell.colSpan = parseInt(lastCell.colSpan) - depthReduction;
- }
- }
-};
-})();
\ No newline at end of file
projects / MosaicDocument.git / blobdiff