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New build scripts
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5282 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Gavin Cornwell
224
source/web/scripts/ajax/dojo/src/data/OpmlStore.js
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source/web/scripts/ajax/dojo/src/data/OpmlStore.js
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/*
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Copyright (c) 2004-2006, The Dojo Foundation
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All Rights Reserved.
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Licensed under the Academic Free License version 2.1 or above OR the
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modified BSD license. For more information on Dojo licensing, see:
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http://dojotoolkit.org/community/licensing.shtml
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*/
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dojo.provide("dojo.data.OpmlStore");
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dojo.require("dojo.data.core.Read");
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dojo.require("dojo.data.core.Result");
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dojo.require("dojo.lang.assert");
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dojo.require("dojo.json");
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dojo.require("dojo.experimental");
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dojo.experimental("dojo.data.OpmlStore");
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// FIXME: The OpmlStore works in Firefox but does not yet work in IE.
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dojo.declare("dojo.data.OpmlStore", dojo.data.core.Read, {
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/* summary:
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* The OpmlStore implements the dojo.data.core.Read API.
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*/
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/* examples:
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* var opmlStore = new dojo.data.OpmlStore({url:"geography.opml"});
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* var opmlStore = new dojo.data.OpmlStore({url:"http://example.com/geography.opml"});
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*/
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initializer: function(/* object */ keywordParameters) {
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// keywordParameters: {url: String}
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this._arrayOfTopLevelItems = [];
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this._metadataNodes = null;
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this._loadFinished = false;
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this._opmlFileUrl = keywordParameters["url"];
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},
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_assertIsItem: function(/* item */ item) {
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if (!this.isItem(item)) {
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throw new Error("dojo.data.OpmlStore: a function was passed an item argument that was not an item");
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}
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},
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_removeChildNodesThatAreNotElementNodes: function(/* node */ node, /* boolean */ recursive) {
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var childNodes = node.childNodes;
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if (childNodes.length == 0) {
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return;
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}
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var nodesToRemove = [];
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var i, childNode;
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for (i = 0; i < childNodes.length; ++i) {
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childNode = childNodes[i];
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if (childNode.nodeType != Node.ELEMENT_NODE) {
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nodesToRemove.push(childNode);
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}
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};
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// dojo.debug('trim: ' + childNodes.length + ' total, ' + nodesToRemove.length + ' junk');
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for (i = 0; i < nodesToRemove.length; ++i) {
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childNode = nodesToRemove[i];
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node.removeChild(childNode);
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}
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// dojo.debug('trim: ' + childNodes.length + ' remaining');
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if (recursive) {
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for (i = 0; i < childNodes.length; ++i) {
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childNode = childNodes[i];
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this._removeChildNodesThatAreNotElementNodes(childNode, recursive);
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}
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}
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},
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_processRawXmlTree: function(/* xmlDoc */ rawXmlTree) {
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var headNodes = rawXmlTree.getElementsByTagName('head');
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var headNode = headNodes[0];
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this._removeChildNodesThatAreNotElementNodes(headNode);
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this._metadataNodes = headNode.childNodes;
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var bodyNodes = rawXmlTree.getElementsByTagName('body');
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var bodyNode = bodyNodes[0];
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this._removeChildNodesThatAreNotElementNodes(bodyNode, true);
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var bodyChildNodes = bodyNodes[0].childNodes;
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for (var i = 0; i < bodyChildNodes.length; ++i) {
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var node = bodyChildNodes[i];
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if (node.tagName == 'outline') {
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this._arrayOfTopLevelItems.push(node);
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}
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}
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},
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get: function(/* item */ item, /* attribute || attribute-name-string */ attribute, /* value? */ defaultValue) {
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// summary: See dojo.data.core.Read.get()
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this._assertIsItem(item);
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if (attribute == 'children') {
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return (item.firstChild || defaultValue);
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} else {
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var value = item.getAttribute(attribute);
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value = (value != undefined) ? value : defaultValue;
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return value;
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}
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},
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getValues: function(/* item */ item, /* attribute || attribute-name-string */ attribute) {
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// summary: See dojo.data.core.Read.getValues()
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this._assertIsItem(item);
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if (attribute == 'children') {
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var array = [];
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for (var i = 0; i < item.childNodes.length; ++i) {
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array.push(item.childNodes[i]);
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}
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return array; // Array
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// return item.childNodes; // FIXME: this isn't really an Array
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} else {
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return [item.getAttribute(attribute)]; // Array
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}
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},
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getAttributes: function(/* item */ item) {
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// summary: See dojo.data.core.Read.getAttributes()
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this._assertIsItem(item);
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var attributes = [];
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var xmlNode = item;
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var xmlAttributes = xmlNode.attributes;
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for (var i = 0; i < xmlAttributes.length; ++i) {
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var xmlAttribute = xmlAttributes.item(i);
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attributes.push(xmlAttribute.nodeName);
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}
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if (xmlNode.childNodes.length > 0) {
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attributes.push('children');
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}
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return attributes; // array
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},
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hasAttribute: function(/* item */ item, /* attribute || attribute-name-string */ attribute) {
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// summary: See dojo.data.core.Read.hasAttribute()
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return (this.getValues(item, attribute).length > 0);
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},
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containsValue: function(/* item */ item, /* attribute || attribute-name-string */ attribute, /* anything */ value) {
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// summary: See dojo.data.core.Read.containsValue()
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var values = this.getValues(item, attribute);
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for (var i = 0; i < values.length; ++i) {
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var possibleValue = values[i];
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if (value == possibleValue) {
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return true;
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}
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}
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return false; // boolean
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},
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isItem: function(/* anything */ something) {
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return (something &&
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something.nodeType == Node.ELEMENT_NODE &&
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something.tagName == 'outline'); // boolean
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},
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isItemAvailable: function(/* anything */ something) {
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return this.isItem(something);
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},
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find: function(/* object? || dojo.data.core.Result */ keywordArgs) {
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// summary: See dojo.data.core.Read.find()
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var result = null;
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if (keywordArgs instanceof dojo.data.core.Result) {
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result = keywordArgs;
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result.store = this;
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} else {
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result = new dojo.data.core.Result(keywordArgs, this);
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}
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var self = this;
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var bindHandler = function(type, data, evt) {
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var scope = result.scope || dj_global;
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if (type == "load") {
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self._processRawXmlTree(data);
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if (result.saveResult) {
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result.items = self._arrayOfTopLevelItems;
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}
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if (result.onbegin) {
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result.onbegin.call(scope, result);
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}
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for (var i=0; i < self._arrayOfTopLevelItems.length; i++) {
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var item = self._arrayOfTopLevelItems[i];
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if (result.onnext && !result._aborted) {
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result.onnext.call(scope, item, result);
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}
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}
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if (result.oncompleted && !result._aborted) {
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result.oncompleted.call(scope, result);
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}
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} else if(type == "error" || type == 'timeout') {
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// todo: how to handle timeout?
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var errorObject = data;
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// dojo.debug("error in dojo.data.OpmlStore.find(): " + dojo.json.serialize(errorObject));
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if (result.onerror) {
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result.onerror.call(scope, data);
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}
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}
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};
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if (!this._loadFinished) {
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if (this._opmlFileUrl) {
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var bindRequest = dojo.io.bind({
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url: this._opmlFileUrl, // "playlist.opml",
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handle: bindHandler,
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mimetype: "text/xml",
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sync: (result.sync || false) });
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result._abortFunc = bindRequest.abort;
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}
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}
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return result; // dojo.data.csv.Result
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},
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getIdentity: function(/* item */ item) {
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// summary: See dojo.data.core.Read.getIdentity()
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dojo.unimplemented('dojo.data.OpmlStore.getIdentity()');
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return null;
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},
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findByIdentity: function(/* string */ identity) {
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// summary: See dojo.data.core.Read.findByIdentity()
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dojo.unimplemented('dojo.data.OpmlStore.findByIdentity()');
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return null;
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}
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});
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