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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.Dialog");
dojo.require("dojo.widget.*");
dojo.require("dojo.widget.ContentPane");
dojo.require("dojo.event.*");
dojo.require("dojo.gfx.color");
dojo.require("dojo.html.layout");
dojo.require("dojo.html.display");
dojo.require("dojo.html.iframe");
dojo.declare("dojo.widget.ModalDialogBase", null, {isContainer:true, focusElement:"", bgColor:"black", bgOpacity:0.4, followScroll:true, closeOnBackgroundClick:false, trapTabs:function (e) {
        if (e.target == this.tabStartOuter) {
                if (this._fromTrap) {
                        this.tabStart.focus();
                        this._fromTrap = false;
                } else {
                        this._fromTrap = true;
                        this.tabEnd.focus();
                }
        } else {
                if (e.target == this.tabStart) {
                        if (this._fromTrap) {
                                this._fromTrap = false;
                        } else {
                                this._fromTrap = true;
                                this.tabEnd.focus();
                        }
                } else {
                        if (e.target == this.tabEndOuter) {
                                if (this._fromTrap) {
                                        this.tabEnd.focus();
                                        this._fromTrap = false;
                                } else {
                                        this._fromTrap = true;
                                        this.tabStart.focus();
                                }
                        } else {
                                if (e.target == this.tabEnd) {
                                        if (this._fromTrap) {
                                                this._fromTrap = false;
                                        } else {
                                                this._fromTrap = true;
                                                this.tabStart.focus();
                                        }
                                }
                        }
                }
        }
}, clearTrap:function (e) {
        var _this = this;
        setTimeout(function () {
                _this._fromTrap = false;
        }, 100);
}, postCreate:function () {
        with (this.domNode.style) {
                position = "absolute";
                zIndex = 999;
                display = "none";
                overflow = "visible";
        }
        var b = dojo.body();
        b.appendChild(this.domNode);
        this.bg = document.createElement("div");
        this.bg.className = "dialogUnderlay";
        with (this.bg.style) {
                position = "absolute";
                left = top = "0px";
                zIndex = 998;
                display = "none";
        }
        b.appendChild(this.bg);
        this.setBackgroundColor(this.bgColor);
        this.bgIframe = new dojo.html.BackgroundIframe();
        if (this.bgIframe.iframe) {
                with (this.bgIframe.iframe.style) {
                        position = "absolute";
                        left = top = "0px";
                        zIndex = 90;
                        display = "none";
                }
        }
        if (this.closeOnBackgroundClick) {
                dojo.event.kwConnect({srcObj:this.bg, srcFunc:"onclick", adviceObj:this, adviceFunc:"onBackgroundClick", once:true});
        }
}, uninitialize:function () {
        this.bgIframe.remove();
        dojo.html.removeNode(this.bg, true);
}, setBackgroundColor:function (color) {
        if (arguments.length >= 3) {
                color = new dojo.gfx.color.Color(arguments[0], arguments[1], arguments[2]);
        } else {
                color = new dojo.gfx.color.Color(color);
        }
        this.bg.style.backgroundColor = color.toString();
        return this.bgColor = color;
}, setBackgroundOpacity:function (op) {
        if (arguments.length == 0) {
                op = this.bgOpacity;
        }
        dojo.html.setOpacity(this.bg, op);
        try {
                this.bgOpacity = dojo.html.getOpacity(this.bg);
        }
        catch (e) {
                this.bgOpacity = op;
        }
        return this.bgOpacity;
}, _sizeBackground:function () {
        if (this.bgOpacity > 0) {
                var viewport = dojo.html.getViewport();
                var h = viewport.height;
                var w = viewport.width;
                with (this.bg.style) {
                        width = w + "px";
                        height = h + "px";
                }
                var scroll_offset = dojo.html.getScroll().offset;
                this.bg.style.top = scroll_offset.y + "px";
                this.bg.style.left = scroll_offset.x + "px";
                var viewport = dojo.html.getViewport();
                if (viewport.width != w) {
                        this.bg.style.width = viewport.width + "px";
                }
                if (viewport.height != h) {
                        this.bg.style.height = viewport.height + "px";
                }
        }
        this.bgIframe.size(this.bg);
}, _showBackground:function () {
        if (this.bgOpacity > 0) {
                this.bg.style.display = "block";
        }
        if (this.bgIframe.iframe) {
                this.bgIframe.iframe.style.display = "block";
        }
}, placeModalDialog:function () {
        var scroll_offset = dojo.html.getScroll().offset;
        var viewport_size = dojo.html.getViewport();
        var mb;
        if (this.isShowing()) {
                mb = dojo.html.getMarginBox(this.domNode);
        } else {
                dojo.html.setVisibility(this.domNode, false);
                dojo.html.show(this.domNode);
                mb = dojo.html.getMarginBox(this.domNode);
                dojo.html.hide(this.domNode);
                dojo.html.setVisibility(this.domNode, true);
        }
        var x = scroll_offset.x + (viewport_size.width - mb.width) / 2;
        var y = scroll_offset.y + (viewport_size.height - mb.height) / 2;
        with (this.domNode.style) {
                left = x + "px";
                top = y + "px";
        }
}, _onKey:function (evt) {
        if (evt.key) {
                var node = evt.target;
                while (node != null) {
                        if (node == this.domNode) {
                                return;
                        }
                        node = node.parentNode;
                }
                if (evt.key != evt.KEY_TAB) {
                        dojo.event.browser.stopEvent(evt);
                } else {
                        if (!dojo.render.html.opera) {
                                try {
                                        this.tabStart.focus();
                                }
                                catch (e) {
                                }
                        }
                }
        }
}, showModalDialog:function () {
        if (this.followScroll && !this._scrollConnected) {
                this._scrollConnected = true;
                dojo.event.connect(window, "onscroll", this, "_onScroll");
        }
        dojo.event.connect(document.documentElement, "onkey", this, "_onKey");
        this.placeModalDialog();
        this.setBackgroundOpacity();
        this._sizeBackground();
        this._showBackground();
        this._fromTrap = true;
        setTimeout(dojo.lang.hitch(this, function () {
                try {
                        this.tabStart.focus();
                }
                catch (e) {
                }
        }), 50);
}, hideModalDialog:function () {
        if (this.focusElement) {
                dojo.byId(this.focusElement).focus();
                dojo.byId(this.focusElement).blur();
        }
        this.bg.style.display = "none";
        this.bg.style.width = this.bg.style.height = "1px";
        if (this.bgIframe.iframe) {
                this.bgIframe.iframe.style.display = "none";
        }
        dojo.event.disconnect(document.documentElement, "onkey", this, "_onKey");
        if (this._scrollConnected) {
                this._scrollConnected = false;
                dojo.event.disconnect(window, "onscroll", this, "_onScroll");
        }
}, _onScroll:function () {
        var scroll_offset = dojo.html.getScroll().offset;
        this.bg.style.top = scroll_offset.y + "px";
        this.bg.style.left = scroll_offset.x + "px";
        this.placeModalDialog();
}, checkSize:function () {
        if (this.isShowing()) {
                this._sizeBackground();
                this.placeModalDialog();
                this.onResized();
        }
}, onBackgroundClick:function () {
        if (this.lifetime - this.timeRemaining >= this.blockDuration) {
                return;
        }
        this.hide();
}});
dojo.widget.defineWidget("dojo.widget.Dialog", [dojo.widget.ContentPane, dojo.widget.ModalDialogBase], {templateString:"<div id=\"${this.widgetId}\" class=\"dojoDialog\" dojoattachpoint=\"wrapper\">\n\t<span dojoattachpoint=\"tabStartOuter\" dojoonfocus=\"trapTabs\" dojoonblur=\"clearTrap\"\ttabindex=\"0\"></span>\n\t<span dojoattachpoint=\"tabStart\" dojoonfocus=\"trapTabs\" dojoonblur=\"clearTrap\" tabindex=\"0\"></span>\n\t<div dojoattachpoint=\"containerNode\" style=\"position: relative; z-index: 2;\"></div>\n\t<span dojoattachpoint=\"tabEnd\" dojoonfocus=\"trapTabs\" dojoonblur=\"clearTrap\" tabindex=\"0\"></span>\n\t<span dojoattachpoint=\"tabEndOuter\" dojoonfocus=\"trapTabs\" dojoonblur=\"clearTrap\" tabindex=\"0\"></span>\n</div>\n", blockDuration:0, lifetime:0, closeNode:"", postMixInProperties:function () {
        dojo.widget.Dialog.superclass.postMixInProperties.apply(this, arguments);
        if (this.closeNode) {
                this.setCloseControl(this.closeNode);
        }
}, postCreate:function () {
        dojo.widget.Dialog.superclass.postCreate.apply(this, arguments);
        dojo.widget.ModalDialogBase.prototype.postCreate.apply(this, arguments);
}, show:function () {
        if (this.lifetime) {
                this.timeRemaining = this.lifetime;
                if (this.timerNode) {
                        this.timerNode.innerHTML = Math.ceil(this.timeRemaining / 1000);
                }
                if (this.blockDuration && this.closeNode) {
                        if (this.lifetime > this.blockDuration) {
                                this.closeNode.style.visibility = "hidden";
                        } else {
                                this.closeNode.style.display = "none";
                        }
                }
                if (this.timer) {
                        clearInterval(this.timer);
                }
                this.timer = setInterval(dojo.lang.hitch(this, "_onTick"), 100);
        }
        this.showModalDialog();
        dojo.widget.Dialog.superclass.show.call(this);
}, onLoad:function () {
        this.placeModalDialog();
        dojo.widget.Dialog.superclass.onLoad.call(this);
}, fillInTemplate:function () {
}, hide:function () {
        this.hideModalDialog();
        dojo.widget.Dialog.superclass.hide.call(this);
        if (this.timer) {
                clearInterval(this.timer);
        }
}, setTimerNode:function (node) {
        this.timerNode = node;
}, setCloseControl:function (node) {
        this.closeNode = dojo.byId(node);
        dojo.event.connect(this.closeNode, "onclick", this, "hide");
}, setShowControl:function (node) {
        node = dojo.byId(node);
        dojo.event.connect(node, "onclick", this, "show");
}, _onTick:function () {
        if (this.timer) {
                this.timeRemaining -= 100;
                if (this.lifetime - this.timeRemaining >= this.blockDuration) {
                        if (this.closeNode) {
                                this.closeNode.style.visibility = "visible";
                        }
                }
                if (!this.timeRemaining) {
                        clearInterval(this.timer);
                        this.hide();
                } else {
                        if (this.timerNode) {
                                this.timerNode.innerHTML = Math.ceil(this.timeRemaining / 1000);
                        }
                }
        }
}});