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Struts example source code file (Store.js)

This example Struts source code file (Store.js) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Struts tags/keywords

id, id, string, string

The Struts Store.js source code

/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/



dojo.provide("dojo.collections.Store");
dojo.require("dojo.lang.common");
dojo.collections.Store = function (jsonArray) {
	var data = [];
	var items = {};
	this.keyField = "Id";
	this.get = function () {
		return data;
	};
	this.getByKey = function (key) {
		return items[key];
	};
	this.getByIndex = function (idx) {
		return data[idx];
	};
	this.getIndexOf = function (key) {
		for (var i = 0; i < data.length; i++) {
			if (data[i].key == key) {
				return i;
			}
		}
		return -1;
	};
	this.getData = function () {
		var arr = [];
		for (var i = 0; i < data.length; i++) {
			arr.push(data[i].src);
		}
		return arr;
	};
	this.getDataByKey = function (key) {
		if (items[key] != null) {
			return items[key].src;
		}
		return null;
	};
	this.getIndexOfData = function (obj) {
		for (var i = 0; i < data.length; i++) {
			if (data[i].src == obj) {
				return i;
			}
		}
		return -1;
	};
	this.getDataByIndex = function (idx) {
		if (data[idx]) {
			return data[idx].src;
		}
		return null;
	};
	this.update = function (obj, fieldPath, val, bDontFire) {
		var parts = fieldPath.split("."), i = 0, o = obj, field;
		if (parts.length > 1) {
			field = parts.pop();
			do {
				if (parts[i].indexOf("()") > -1) {
					var temp = parts[i++].split("()")[0];
					if (!o[temp]) {
						dojo.raise("dojo.collections.Store.getField(obj, '" + field + "'): '" + temp + "' is not a property of the passed object.");
					} else {
						o = o[temp]();
					}
				} else {
					o = o[parts[i++]];
				}
			} while (i < parts.length && o != null);
		} else {
			field = parts[0];
		}
		obj[field] = val;
		if (!bDontFire) {
			this.onUpdateField(obj, fieldPath, val);
		}
	};
	this.forEach = function (fn) {
		if (Array.forEach) {
			Array.forEach(data, fn, this);
		} else {
			for (var i = 0; i < data.length; i++) {
				fn.call(this, data[i]);
			}
		}
	};
	this.forEachData = function (fn) {
		if (Array.forEach) {
			Array.forEach(this.getData(), fn, this);
		} else {
			var a = this.getData();
			for (var i = 0; i < a.length; i++) {
				fn.call(this, a[i]);
			}
		}
	};
	this.setData = function (arr, bDontFire) {
		data = [];
		for (var i = 0; i < arr.length; i++) {
			var o = {key:arr[i][this.keyField], src:arr[i]};
			data.push(o);
			items[o.key] = o;
		}
		if (!bDontFire) {
			this.onSetData();
		}
	};
	this.clearData = function (bDontFire) {
		data = [];
		items = {};
		if (!bDontFire) {
			this.onClearData();
		}
	};
	this.addData = function (obj, key, bDontFire) {
		var k = key || obj[this.keyField];
		if (items[k] != null) {
			var o = items[k];
			o.src = obj;
		} else {
			var o = {key:k, src:obj};
			data.push(o);
			items[o.key] = o;
		}
		if (!bDontFire) {
			this.onAddData(o);
		}
	};
	this.addDataRange = function (arr, bDontFire) {
		var objects = [];
		for (var i = 0; i < arr.length; i++) {
			var k = arr[i][this.keyField];
			if (items[k] != null) {
				var o = items[k];
				o.src = arr[i];
			} else {
				var o = {key:k, src:arr[i]};
				data.push(o);
				items[k] = o;
			}
			objects.push(o);
		}
		if (!bDontFire) {
			this.onAddDataRange(objects);
		}
	};
	this.addDataByIndex = function (obj, idx, key, bDontFire) {
		var k = key || obj[this.keyField];
		if (items[k] != null) {
			var i = this.getIndexOf(k);
			var o = data.splice(i, 1);
			o.src = obj;
		} else {
			var o = {key:k, src:obj};
			items[k] = o;
		}
		data.splice(idx, 0, o);
		if (!bDontFire) {
			this.onAddData(o);
		}
	};
	this.addDataRangeByIndex = function (arr, idx, bDontFire) {
		var objects = [];
		for (var i = 0; i < arr.length; i++) {
			var k = arr[i][this.keyField];
			if (items[k] != null) {
				var j = this.getIndexOf(k);
				var o = data.splice(j, 1);
				o.src = arr[i];
			} else {
				var o = {key:k, src:arr[i]};
				items[k] = o;
			}
			objects.push(o);
		}
		data.splice(idx, 0, objects);
		if (!bDontFire) {
			this.onAddDataRange(objects);
		}
	};
	this.removeData = function (obj, bDontFire) {
		var idx = -1;
		var o = null;
		for (var i = 0; i < data.length; i++) {
			if (data[i].src == obj) {
				idx = i;
				o = data[i];
				break;
			}
		}
		if (!bDontFire) {
			this.onRemoveData(o);
		}
		if (idx > -1) {
			data.splice(idx, 1);
			delete items[o.key];
		}
	};
	this.removeDataRange = function (idx, range, bDontFire) {
		var ret = data.splice(idx, range);
		for (var i = 0; i < ret.length; i++) {
			delete items[ret[i].key];
		}
		if (!bDontFire) {
			this.onRemoveDataRange(ret);
		}
		return ret;
	};
	this.removeDataByKey = function (key, bDontFire) {
		this.removeData(this.getDataByKey(key), bDontFire);
	};
	this.removeDataByIndex = function (idx, bDontFire) {
		this.removeData(this.getDataByIndex(idx), bDontFire);
	};
	if (jsonArray && jsonArray.length && jsonArray[0]) {
		this.setData(jsonArray, true);
	}
};
dojo.extend(dojo.collections.Store, {getField:function (obj, field) {
	var parts = field.split("."), i = 0, o = obj;
	do {
		if (parts[i].indexOf("()") > -1) {
			var temp = parts[i++].split("()")[0];
			if (!o[temp]) {
				dojo.raise("dojo.collections.Store.getField(obj, '" + field + "'): '" + temp + "' is not a property of the passed object.");
			} else {
				o = o[temp]();
			}
		} else {
			o = o[parts[i++]];
		}
	} while (i < parts.length && o != null);
	if (i < parts.length) {
		dojo.raise("dojo.collections.Store.getField(obj, '" + field + "'): '" + field + "' is not a property of the passed object.");
	}
	return o;
}, getFromHtml:function (meta, body, fnMod) {
	var rows = body.rows;
	var ctor = function (row) {
		var obj = {};
		for (var i = 0; i < meta.length; i++) {
			var o = obj;
			var data = row.cells[i].innerHTML;
			var p = meta[i].getField();
			if (p.indexOf(".") > -1) {
				p = p.split(".");
				while (p.length > 1) {
					var pr = p.shift();
					o[pr] = {};
					o = o[pr];
				}
				p = p[0];
			}
			var type = meta[i].getType();
			if (type == String) {
				o[p] = data;
			} else {
				if (data) {
					o[p] = new type(data);
				} else {
					o[p] = new type();
				}
			}
		}
		return obj;
	};
	var arr = [];
	for (var i = 0; i < rows.length; i++) {
		var o = ctor(rows[i]);
		if (fnMod) {
			fnMod(o, rows[i]);
		}
		arr.push(o);
	}
	return arr;
}, onSetData:function () {
}, onClearData:function () {
}, onAddData:function (obj) {
}, onAddDataRange:function (arr) {
}, onRemoveData:function (obj) {
}, onRemoveDataRange:function (arr) {
}, onUpdateField:function (obj, field, val) {
}});

Other Struts examples (source code examples)

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