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/*
        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.widget.Repeater");
dojo.require("dojo.widget.HtmlWidget");
dojo.require("dojo.string");
dojo.require("dojo.event.*");
dojo.require("dojo.experimental");
dojo.experimental("dojo.widget.Repeater");
dojo.widget.defineWidget("dojo.widget.Repeater", dojo.widget.HtmlWidget, {name:"", rowTemplate:"", myObject:null, pattern:"", useDnd:false, isContainer:true, initialize:function (args, frag) {
        var node = this.getFragNodeRef(frag);
        node.removeAttribute("dojotype");
        this.setRow(dojo.string.trim(node.innerHTML), {});
        node.innerHTML = "";
        frag = null;
}, postCreate:function (args, frag) {
        if (this.useDnd) {
                dojo.require("dojo.dnd.*");
                var dnd = new dojo.dnd.HtmlDropTarget(this.domNode, [this.widgetId]);
        }
}, _reIndexRows:function () {
        for (var i = 0, len = this.domNode.childNodes.length; i < len; i++) {
                var elems = ["INPUT", "SELECT", "TEXTAREA"];
                for (var k = 0; k < elems.length; k++) {
                        var list = this.domNode.childNodes[i].getElementsByTagName(elems[k]);
                        for (var j = 0, len2 = list.length; j < len2; j++) {
                                var name = list[j].name;
                                var index = dojo.string.escape("regexp", this.pattern);
                                index = index.replace(/(%\\\{index\\\})/g, "%{index}");
                                var nameRegexp = dojo.string.substituteParams(index, {"index":"[0-9]*"});
                                var newName = dojo.string.substituteParams(this.pattern, {"index":"" + i});
                                var re = new RegExp(nameRegexp, "g");
                                list[j].name = name.replace(re, newName);
                        }
                }
        }
}, onDeleteRow:function (e) {
        var index = dojo.string.escape("regexp", this.pattern);
        index = index.replace(/%\\\{index\\\}/g, "%{index}");
        var nameRegexp = dojo.string.substituteParams(index, {"index":"([0-9]*)"});
        var re = new RegExp(nameRegexp, "g");
        this.deleteRow(re.exec(e.target.name)[1]);
}, hasRows:function () {
        if (this.domNode.childNodes.length > 0) {
                return true;
        }
        return false;
}, getRowCount:function () {
        return this.domNode.childNodes.length;
}, deleteRow:function (idx) {
        this.domNode.removeChild(this.domNode.childNodes[idx]);
        this._reIndexRows();
}, _changeRowPosition:function (e) {
        if (e.dragStatus == "dropFailure") {
                this.domNode.removeChild(e["dragSource"].domNode);
        } else {
                if (e.dragStatus == "dropSuccess") {
                }
        }
        this._reIndexRows();
}, setRow:function (template, myObject) {
        template = template.replace(/\%\{(index)\}/g, "0");
        this.rowTemplate = template;
        this.myObject = myObject;
}, getRow:function () {
        return this.rowTemplate;
}, _initRow:function (node) {
        if (typeof (node) == "number") {
                node = this.domNode.childNodes[node];
        }
        var elems = ["INPUT", "SELECT", "IMG"];
        for (var k = 0; k < elems.length; k++) {
                var list = node.getElementsByTagName(elems[k]);
                for (var i = 0, len = list.length; i < len; i++) {
                        var child = list[i];
                        if (child.nodeType != 1) {
                                continue;
                        }
                        if (child.getAttribute("rowFunction") != null) {
                                if (typeof (this.myObject[child.getAttribute("rowFunction")]) == "undefined") {
                                        dojo.debug("Function " + child.getAttribute("rowFunction") + " not found");
                                } else {
                                        this.myObject[child.getAttribute("rowFunction")](child);
                                }
                        } else {
                                if (child.getAttribute("rowAction") != null) {
                                        if (child.getAttribute("rowAction") == "delete") {
                                                child.name = dojo.string.substituteParams(this.pattern, {"index":"" + (this.getRowCount() - 1)});
                                                dojo.event.connect(child, "onclick", this, "onDeleteRow");
                                        }
                                }
                        }
                }
        }
}, onAddRow:function (e) {
}, addRow:function (doInit) {
        if (typeof (doInit) == "undefined") {
                doInit = true;
        }
        var node = document.createElement("span");
        node.innerHTML = this.getRow();
        if (node.childNodes.length == 1) {
                node = node.childNodes[0];
        }
        this.domNode.appendChild(node);
        var parser = new dojo.xml.Parse();
        var frag = parser.parseElement(node, null, true);
        dojo.widget.getParser().createSubComponents(frag, this);
        this._reIndexRows();
        if (doInit) {
                this._initRow(node);
        }
        if (this.useDnd) {
                node = new dojo.dnd.HtmlDragSource(node, this.widgetId);
                dojo.event.connect(node, "onDragEnd", this, "_changeRowPosition");
        }
        this.onAddRow(node);
}});