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/* ************************************************************************
qooxdoo - the new era of web development
http://qooxdoo.org
Copyright:
2004-2007 1&1 Internet AG, Germany, http://www.1and1.org
License:
LGPL: http://www.gnu.org/licenses/lgpl.html
EPL: http://www.eclipse.org/org/documents/epl-v10.php
See the LICENSE file in the project's top-level directory for details.
Authors:
* Sebastian Werner (wpbasti)
* Andreas Ecker (ecker)
************************************************************************ */
/* ************************************************************************
#module(ui_popup)
#optional(qx.manager.object.MenuManager)
************************************************************************ */
qx.OO.defineClass("qx.ui.popup.Popup", qx.ui.layout.CanvasLayout,
function()
{
qx.ui.layout.CanvasLayout.call(this);
this.setZIndex(this._minZIndex);
// Init Focus Handler
if (this._isFocusRoot) {
this.activateFocusRoot();
}
});
qx.Proto._isFocusRoot = true;
qx.OO.changeProperty({ name : "appearance", type : "string", defaultValue : "popup" });
/*!
Whether to let the system decide when to hide the popup. Setting
this to false gives you better control but it also requires you
to handle the closing of the popup.
*/
qx.OO.addProperty({ name : "autoHide", type : "boolean", defaultValue : true });
/*!
Make element displayed (if switched to true the widget will be created, if needed, too).
Instead of qx.ui.core.Widget, the default is false here.
*/
qx.OO.changeProperty({ name : "display", type : "boolean", defaultValue : false });
/*!
Center the popup on open
*/
qx.OO.addProperty({ name : "centered", type : "boolean", defaultValue : false });
/**
* Whether the popup should be restricted to the visible area of the page when opened.
*/
qx.OO.addProperty({ name : "restrictToPageOnOpen", type : "boolean", defaultValue : true });
qx.Proto._showTimeStamp = (new Date(0)).valueOf();
qx.Proto._hideTimeStamp = (new Date(0)).valueOf();
/**
* The minimum offset to the left of the page too keep when
* {@link #restrictToPageOnOpen} is true (in pixels).
*/
qx.Settings.setDefault("restrictToPageLeft", "0");
/**
* The minimum offset to the right of the page too keep when
* {@link #restrictToPageOnOpen} is true (in pixels).
*/
qx.Settings.setDefault("restrictToPageRight", "0");
/**
* The minimum offset to the top of the page too keep when
* {@link #restrictToPageOnOpen} is true (in pixels).
*/
qx.Settings.setDefault("restrictToPageTop", "0");
/**
* The minimum offset to the bottom of the page too keep when
* {@link #restrictToPageOnOpen} is true (in pixels).
*/
qx.Settings.setDefault("restrictToPageBottom", "0");
/*
---------------------------------------------------------------------------
APPEAR/DISAPPEAR
---------------------------------------------------------------------------
*/
qx.Proto._beforeAppear = function()
{
qx.ui.layout.CanvasLayout.prototype._beforeAppear.call(this);
if (this.getRestrictToPageOnOpen()) {
this._wantedLeft = this.getLeft();
if (this._wantedLeft != null) {
// Move the popup out of the view so its size could be calculated before
// it is positioned.
this.setLeft(10000);
if (this.getElement() != null) {
// The popup was already visible once before
// -> Move it immediately before it gets visible again
this.getElement().style.left = 10000;
}
}
}
qx.manager.object.PopupManager.getInstance().add(this);
qx.manager.object.PopupManager.getInstance().update(this);
this._showTimeStamp = (new Date).valueOf();
this.bringToFront();
}
qx.Proto._beforeDisappear = function()
{
qx.ui.layout.CanvasLayout.prototype._beforeDisappear.call(this);
qx.manager.object.PopupManager.getInstance().remove(this);
this._hideTimeStamp = (new Date).valueOf();
}
qx.Proto._afterAppear = function() {
qx.ui.layout.CanvasLayout.prototype._afterAppear.call(this);
if (this.getRestrictToPageOnOpen()) {
var doc = qx.ui.core.ClientDocument.getInstance();
var docWidth = doc.getClientWidth();
var docHeight = doc.getClientHeight();
var restrictToPageLeft = parseInt(qx.Settings.getValueOfClass("qx.ui.popup.Popup", "restrictToPageLeft"));
var restrictToPageRight = parseInt(qx.Settings.getValueOfClass("qx.ui.popup.Popup", "restrictToPageRight"));
var restrictToPageTop = parseInt(qx.Settings.getValueOfClass("qx.ui.popup.Popup", "restrictToPageTop"));
var restrictToPageBottom = parseInt(qx.Settings.getValueOfClass("qx.ui.popup.Popup", "restrictToPageBottom"));
var left = (this._wantedLeft == null) ? this.getLeft() : this._wantedLeft;
var top = this.getTop();
var width = this.getBoxWidth();
var height = this.getBoxHeight();
var oldLeft = this.getLeft();
var oldTop = top;
// NOTE: We check right and bottom first, because top and left should have
// priority, when both sides are violated.
if (left + width > docWidth - restrictToPageRight) {
left = docWidth - restrictToPageRight - width;
}
if (top + height > docHeight - restrictToPageBottom) {
top = docHeight - restrictToPageBottom - height;
}
if (left < restrictToPageLeft) {
left = restrictToPageLeft;
}
if (top < restrictToPageTop) {
top = restrictToPageTop;
}
if (left != oldLeft || top != oldTop) {
var self = this;
window.setTimeout(function() {
self.setLeft(left);
self.setTop(top);
qx.ui.core.Widget.flushGlobalQueues();
}, 0);
}
}
};
/*
---------------------------------------------------------------------------
ACTIVE/INACTIVE
---------------------------------------------------------------------------
*/
qx.Proto._makeActive = function() {
this.getFocusRoot().setActiveChild(this);
}
qx.Proto._makeInactive = function()
{
var vRoot = this.getFocusRoot();
var vCurrent = vRoot.getActiveChild();
if (vCurrent == this) {
vRoot.setActiveChild(vRoot);
}
}
/*
---------------------------------------------------------------------------
ZIndex Positioning
---------------------------------------------------------------------------
*/
qx.Proto._minZIndex = 1e6;
qx.Proto.bringToFront = function()
{
this.forceZIndex(Infinity);
this._sendTo();
}
qx.Proto.sendToBack = function()
{
this.forceZIndex(-Infinity);
this._sendTo();
}
qx.Proto._sendTo = function()
{
var vPopups = qx.lang.Object.getValues(qx.manager.object.PopupManager.getInstance().getAll());
if (qx.OO.isAvailable("qx.manager.object.MenuManager"))
{
var vMenus = qx.lang.Object.getValues(qx.manager.object.MenuManager.getInstance().getAll());
var vAll = vPopups.concat(vMenus).sort(qx.util.Compare.byZIndex);
}
else
{
var vAll = vPopups.sort(qx.util.Compare.byZIndex);
}
var vLength = vAll.length;
var vIndex = this._minZIndex;
for (var i=0; i<vLength; i++) {
vAll[i].setZIndex(vIndex++);
}
}
/*
---------------------------------------------------------------------------
TIMESTAMP HANDLING
---------------------------------------------------------------------------
*/
qx.Proto.getShowTimeStamp = function() {
return this._showTimeStamp;
}
qx.Proto.getHideTimeStamp = function() {
return this._hideTimeStamp;
}
/*
---------------------------------------------------------------------------
UTILITIES
---------------------------------------------------------------------------
*/
/**
* Positions the popup relative to some reference element.
* @param el {var} Reference DOM element/widget.
* @param offsetX {Integer} Offset in pixels in X direction (optional).
* @param offsetY {Integer} Offset in pixels in Y direction (optional).
*/
qx.Proto.positionRelativeTo = function(el, offsetX, offsetY)
{
if (el instanceof qx.ui.core.Widget) {
el = el.getElement();
}
if (el) {
var gecko = qx.core.Client.getInstance().isGecko();
var loc = qx.html.Location;
this.setLocation(loc.getClientAreaLeft(el) - (gecko ? qx.html.Style.getBorderLeft(el):0) + (offsetX || 0),
loc.getClientAreaTop(el) - (gecko ? qx.html.Style.getBorderTop(el):0) + (offsetY || 0));
} else {
this.warn('Missing reference element');
}
}
qx.Proto.centerToBrowser = function()
{
var d = qx.ui.core.ClientDocument.getInstance();
var left = (d.getClientWidth() - this.getBoxWidth()) / 2;
var top = (d.getClientHeight() - this.getBoxHeight()) / 2;
this.setLeft(left < 0 ? 0 : left);
this.setTop(top < 0 ? 0 : top);
}
/*
---------------------------------------------------------------------------
DISPOSER
---------------------------------------------------------------------------
*/
qx.Proto.dispose = function()
{
if (this.getDisposed()) {
return;
}
this._showTimeStamp = null;
this._hideTimeStamp = null;
return qx.ui.layout.CanvasLayout.prototype.dispose.call(this);
}
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