GZ/nwyj/WebContent/admin/scripts/dojo/dojox/data/HtmlTableStore.js

if (!dojo._hasResource["dojox.data.HtmlTableStore"]) { // _hasResource checks
														// added by build. Do
														// not use _hasResource
														// directly in your
														// code.
	dojo._hasResource["dojox.data.HtmlTableStore"] = true;
	dojo.provide("dojox.data.HtmlTableStore");

	dojo.require("dojox.data.dom");
	dojo.require("dojo.data.util.simpleFetch");
	dojo.require("dojo.data.util.filter");

	dojo.declare("dojox.data.HtmlTableStore", null, {
		constructor : function(/* Object */args) {
			// summary:
			// Initializer for the HTML table store.
			// description:
			// The HtmlTableStore can be created in one of two ways: a) by
			// parsing an existing
			// table DOM node on the current page or b) by referencing an
			// external url and giving
			// the id of the table in that page. The remote url will be parsed
			// as an html page.
			//
			// The HTML table should be of the following form:
			// <table id="myTable">
			// <thead>
			// <tr>
			// <th>Attribute1</th>
			// <th>Attribute2</th>
			// </tr>
			// </thead>
			// <tbody>
			// <tr>
			// <td>Value1.1</td>
			// <td>Value1.2</td>
			// </tr>
			// <tr>
			// <td>Value2.1</td>
			// <td>Value2.2</td>
			// </tr>
			// </tbody>
			// </table>
			//
			// args:
			// An anonymous object to initialize properties. It expects the
			// following values:
			// tableId: The id of the HTML table to use.
			// OR
			// url: The url of the remote page to load
			// tableId: The id of the table element in the remote page

			if (args.url) {
				if (!args.tableId)
					throw new Error("dojo.data.HtmlTableStore: Cannot instantiate using url without an id!");
				this.url = args.url;
				this.tableId = args.tableId;
			} else {
				if (args.tableId) {
					this._rootNode = dojo.byId(args.tableId);
					this.tableId = this._rootNode.id;
				} else {
					this._rootNode = dojo.byId(this.tableId);
				}
				this._getHeadings();
				for (var i = 0; i < this._rootNode.rows.length; i++) {
					this._rootNode.rows[i].store = this;
				}
			}
		},

		url : "", // So the parser can instantiate the store via markup.
		tableId : "", // So the parser can instantiate the store via markup.

		_getHeadings : function() {
			// summary:
			// Function to load the attribute names from the table header so
			// that the
			// attributes (cells in a row), can have a reasonable name.
			this._headings = [];
			dojo.forEach(this._rootNode.tHead.rows[0].cells, dojo.hitch(this,
							function(th) {
								this._headings.push(dojox.data.dom
										.textContent(th));
							}));
		},

		_getAllItems : function() {
			// summary:
			// Function to return all rows in the table as an array of items.
			var items = [];
			for (var i = 1; i < this._rootNode.rows.length; i++) {
				items.push(this._rootNode.rows[i]);
			}
			return items; // array
		},

		_assertIsItem : function(/* item */item) {
			// summary:
			// This function tests whether the item passed in is indeed an item
			// in the store.
			// item:
			// The item to test for being contained by the store.
			if (!this.isItem(item)) {
				throw new Error("dojo.data.HtmlTableStore: a function was passed an item argument that was not an item");
			}
		},

		_assertIsAttribute : function(/* String */attribute) {
			// summary:
			// This function tests whether the item passed in is indeed a valid
			// 'attribute' like type for the store.
			// attribute:
			// The attribute to test for being contained by the store.
			//
			// returns:
			// Returns the index (column) that the attribute resides in the row.
			if (typeof attribute !== "string") {
				throw new Error("dojo.data.HtmlTableStore: a function was passed an attribute argument that was not an attribute name string");
				return;
			}
			return dojo.indexOf(this._headings, attribute); // int
		},

		/***********************************************************************
		 * dojo.data.api.Read API
		 **********************************************************************/

		getValue : function( /* item */item,
				/* attribute-name-string */attribute,
				/* value? */defaultValue) {
			// summary:
			// See dojo.data.api.Read.getValue()
			var values = this.getValues(item, attribute);
			return (values.length > 0) ? values[0] : defaultValue; // Object ||
																	// int ||
																	// Boolean
		},

		getValues : function(/* item */item,
				/* attribute-name-string */attribute) {
			// summary:
			// See dojo.data.api.Read.getValues()

			this._assertIsItem(item);
			var index = this._assertIsAttribute(attribute);

			if (index > -1) {
				return [dojox.data.dom.textContent(item.cells[index])];
			}
			return []; // Array
		},

		getAttributes : function(/* item */item) {
			// summary:
			// See dojo.data.api.Read.getAttributes()
			this._assertIsItem(item);
			var attributes = [];
			for (var i = 0; i < this._headings.length; i++) {
				if (this.hasAttribute(item, this._headings[i]))
					attributes.push(this._headings[i]);
			}
			return attributes; // Array
		},

		hasAttribute : function( /* item */item,
				/* attribute-name-string */attribute) {
			// summary:
			// See dojo.data.api.Read.hasAttribute()
			return this.getValues(item, attribute).length > 0;
		},

		containsValue : function(/* item */item,
				/* attribute-name-string */attribute,
				/* anything */value) {
			// summary:
			// See dojo.data.api.Read.containsValue()
			var regexp = undefined;
			if (typeof value === "string") {
				regexp = dojo.data.util.filter.patternToRegExp(value, false);
			}
			return this._containsValue(item, attribute, value, regexp); // boolean.
		},

		_containsValue : function( /* item */item,
				/* attribute-name-string */attribute,
				/* anything */value,
				/* RegExp? */regexp) {
			// summary:
			// Internal function for looking at the values contained by the
			// item.
			// description:
			// Internal function for looking at the values contained by the
			// item. This
			// function allows for denoting if the comparison should be case
			// sensitive for
			// strings or not (for handling filtering cases where string case
			// should not matter)
			//	
			// item:
			// The data item to examine for attribute values.
			// attribute:
			// The attribute to inspect.
			// value:
			// The value to match.
			// regexp:
			// Optional regular expression generated off value if value was of
			// string type to handle wildcarding.
			// If present and attribute values are string, then it can be used
			// for comparison instead of 'value'
			var values = this.getValues(item, attribute);
			for (var i = 0; i < values.length; ++i) {
				var possibleValue = values[i];
				if (typeof possibleValue === "string" && regexp) {
					return (possibleValue.match(regexp) !== null);
				} else {
					// Non-string matching.
					if (value === possibleValue) {
						return true; // Boolean
					}
				}
			}
			return false; // Boolean
		},

		isItem : function(/* anything */something) {
			// summary:
			// See dojo.data.api.Read.isItem()
			if (something && something.store && something.store === this) {
				return true; // boolean
			}
			return false; // boolean
		},

		isItemLoaded : function(/* anything */something) {
			// summary:
			// See dojo.data.api.Read.isItemLoaded()
			return this.isItem(something);
		},

		loadItem : function(/* Object */keywordArgs) {
			// summary:
			// See dojo.data.api.Read.loadItem()
			this._assertIsItem(keywordArgs.item);
		},

		_fetchItems : function(request, fetchHandler, errorHandler) {
			// summary:
			// Fetch items (XML elements) that match to a query
			// description:
			// If '_fetchUrl' is specified, it is used to load an XML document
			// with a query string.
			// Otherwise and if 'url' is specified, the XML document is
			// loaded and list XML elements that match to a query (set of
			// element
			// names and their text attribute values that the items to contain).
			// A wildcard, "*" can be used to query values to match all
			// occurrences.
			// If '_rootItem' is specified, it is used to fetch items.
			// request:
			// A request object
			// fetchHandler:
			// A function to call for fetched items
			// errorHandler:
			// A function to call on error

			if (this._rootNode) {
				this._finishFetchItems(request, fetchHandler, errorHandler);
			} else {
				if (!this.url) {
					this._rootNode = dojo.byId(this.tableId);
					this._getHeadings();
					for (var i = 0; i < this._rootNode.rows.length; i++) {
						this._rootNode.rows[i].store = this;
					}
				} else {
					var getArgs = {
						url : this.url,
						handleAs : "text"
					};
					var self = this;
					var getHandler = dojo.xhrGet(getArgs);
					getHandler.addCallback(function(data) {
						var findNode = function(node, id) {
							if (node.id == id) {
								return node; // object
							}
							if (node.childNodes) {
								for (var i = 0; i < node.childNodes.length; i++) {
									var returnNode = findNode(
											node.childNodes[i], id);
									if (returnNode) {
										return returnNode; // object
									}
								}
							}
							return null; // null
						}

						var d = document.createElement("div");
						d.innerHTML = data;
						self._rootNode = findNode(d, self.tableId);
						self._getHeadings.call(self);
						for (var i = 0; i < self._rootNode.rows.length; i++) {
							self._rootNode.rows[i].store = self;
						}
						self._finishFetchItems(request, fetchHandler,
								errorHandler);
					});
					getHandler.addErrback(function(error) {
								errorHandler(error, request);
							});
				}
			}
		},

		_finishFetchItems : function(request, fetchHandler, errorHandler) {
			// summary:
			// Internal function for processing the passed in request and
			// locating the requested items.
			var items = null;
			var arrayOfAllItems = this._getAllItems();
			if (request.query) {
				var ignoreCase = request.queryOptions
						? request.queryOptions.ignoreCase
						: false;
				items = [];

				// See if there are any string values that can be regexp parsed
				// first to avoid multiple regexp gens on the
				// same value for each item examined. Much more efficient.
				var regexpList = {};
				for (var key in request.query) {
					var value = request.query[key] + '';
					if (typeof value === "string") {
						regexpList[key] = dojo.data.util.filter
								.patternToRegExp(value, ignoreCase);
					}
				}

				for (var i = 0; i < arrayOfAllItems.length; ++i) {
					var match = true;
					var candidateItem = arrayOfAllItems[i];
					for (var key in request.query) {
						var value = request.query[key] + '';
						if (!this._containsValue(candidateItem, key, value,
								regexpList[key])) {
							match = false;
						}
					}
					if (match) {
						items.push(candidateItem);
					}
				}
				fetchHandler(items, request);
			} else {
				// We want a copy to pass back in case the parent wishes to sort
				// the array. We shouldn't allow resort
				// of the internal list so that multiple callers can get
				// listsand sort without affecting each other.
				if (arrayOfAllItems.length > 0) {
					items = arrayOfAllItems.slice(0, arrayOfAllItems.length);
				}
				fetchHandler(items, request);
			}
		},

		getFeatures : function() {
			// summary:
			// See dojo.data.api.Read.getFeatures()
			return {
				'dojo.data.api.Read' : true,
				'dojo.data.api.Identity' : true
			};
		},

		close : function(
/* dojo.data.api.Request || keywordArgs || null */request) {
			// summary:
			// See dojo.data.api.Read.close()
			// nothing to do here!
		},

		getLabel : function(/* item */item) {
			// summary:
			// See dojo.data.api.Read.getLabel()
			if (this.isItem(item))
				return "Table Row #" + this.getIdentity(item);
			return undefined;
		},

		getLabelAttributes : function(/* item */item) {
			// summary:
			// See dojo.data.api.Read.getLabelAttributes()
			return null;
		},

		/***********************************************************************
		 * dojo.data.api.Identity API
		 **********************************************************************/

		getIdentity : function(/* item */item) {
			// summary:
			// See dojo.data.api.Identity.getIdentity()
			this._assertIsItem(item);
			// Opera doesn't support the sectionRowIndex,
			// So, have to call the indexOf to locate it.
			// Blah.
			if (!dojo.isOpera) {
				return item.sectionRowIndex; // int
			} else {
				return (dojo.indexOf(this._rootNode.rows, item) - 1) // int
			}
		},

		getIdentityAttributes : function(/* item */item) {
			// summary:
			// See dojo.data.api.Identity.getIdentityAttributes()
			// Identity isn't taken from a public attribute.
			return null;
		},

		fetchItemByIdentity : function(keywordArgs) {
			// summary:
			// See dojo.data.api.Identity.fetchItemByIdentity()
			var identity = keywordArgs.identity;
			var self = this;
			var item = null

			if (!this._rootNode) {
				if (!this.url) {
					this._rootNode = dojo.byId(this.tableId);
					this._getHeadings();
					for (var i = 0; i < this._rootNode.rows.length; i++) {
						this._rootNode.rows[i].store = this;
					}
					item = this._rootNode.rows[identity + 1];
					if (keywordArgs.onItem) {
						var scope = keywordArgs.scope
								? keywordArgs.scope
								: dojo.global;
						keywordArgs.onItem.call(scope, item);
					}

				} else {
					var getArgs = {
						url : this.url,
						handleAs : "text"
					};
					var self = this;
					var getHandler = dojo.xhrGet(getArgs);
					getHandler.addCallback(function(data) {
						var findNode = function(node, id) {
							if (node.id == id) {
								return node; // object
							}
							if (node.childNodes) {
								for (var i = 0; i < node.childNodes.length; i++) {
									var returnNode = findNode(
											node.childNodes[i], id);
									if (returnNode) {
										return returnNode; // object
									}
								}
							}
							return null; // null
						}
						var d = document.createElement("div");
						d.innerHTML = data;
						self._rootNode = findNode(d, self.tableId);
						self._getHeadings.call(self);
						for (var i = 0; i < self._rootNode.rows.length; i++) {
							self._rootNode.rows[i].store = self;
						}
						item = self._rootNode.rows[identity + 1];
						if (keywordArgs.onItem) {
							var scope = keywordArgs.scope
									? keywordArgs.scope
									: dojo.global;
							keywordArgs.onItem.call(scope, item);
						}
					});
					getHandler.addErrback(function(error) {
								if (keywordArgs.onError) {
									var scope = keywordArgs.scope
											? keywordArgs.scope
											: dojo.global;
									keywordArgs.onError.call(scope, error);

								}
							});
				}
			} else {
				if (this._rootNode.rows[identity + 1]) {
					item = this._rootNode.rows[identity + 1];
					if (keywordArgs.onItem) {
						var scope = keywordArgs.scope
								? keywordArgs.scope
								: dojo.global;
						keywordArgs.onItem.call(scope, item);
					}
				}
			}
		}
	});
	dojo.extend(dojox.data.HtmlTableStore, dojo.data.util.simpleFetch);

}