jquery-ui/ui/jquery.ui.dialog.js

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/*
* jQuery UI Dialog @VERSION
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*
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* Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)
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* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
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* http://docs.jquery.com/UI/Dialog
*
* Depends:
* jquery.ui.core.js
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* jquery.ui.widget.js
* jquery.ui.button.js
* jquery.ui.draggable.js
* jquery.ui.mouse.js
* jquery.ui.position.js
* jquery.ui.resizable.js
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*/
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(function($) {
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var uiDialogClasses =
'ui-dialog ' +
'ui-widget ' +
'ui-widget-content ' +
'ui-corner-all ';
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$.widget("ui.dialog", {
options: {
autoOpen: true,
buttons: {},
closeOnEscape: true,
closeText: 'close',
dialogClass: '',
draggable: true,
hide: null,
height: 'auto',
maxHeight: false,
maxWidth: false,
minHeight: 150,
minWidth: 150,
modal: false,
position: 'center',
resizable: true,
show: null,
stack: true,
title: '',
width: 300,
zIndex: 1000
},
_create: function() {
this.originalTitle = this.element.attr('title');
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var self = this,
options = self.options,
title = options.title || self.originalTitle || ' ',
titleId = $.ui.dialog.getTitleId(self.element),
uiDialog = (self.uiDialog = $('<div></div>'))
.appendTo(document.body)
.hide()
.addClass(uiDialogClasses + options.dialogClass)
.css({
zIndex: options.zIndex
})
// setting tabIndex makes the div focusable
// setting outline to 0 prevents a border on focus in Mozilla
.attr('tabIndex', -1).css('outline', 0).keydown(function(event) {
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if (options.closeOnEscape && event.keyCode &&
event.keyCode === $.ui.keyCode.ESCAPE) {
self.close(event);
event.preventDefault();
}
})
.attr({
role: 'dialog',
'aria-labelledby': titleId
})
.mousedown(function(event) {
self.moveToTop(false, event);
}),
uiDialogContent = self.element
.show()
.removeAttr('title')
.addClass(
'ui-dialog-content ' +
'ui-widget-content')
.appendTo(uiDialog),
uiDialogTitlebar = (self.uiDialogTitlebar = $('<div></div>'))
.addClass(
'ui-dialog-titlebar ' +
'ui-widget-header ' +
'ui-corner-all ' +
'ui-helper-clearfix'
)
.prependTo(uiDialog),
uiDialogTitlebarClose = $('<a href="#"></a>')
.addClass(
'ui-dialog-titlebar-close ' +
'ui-corner-all'
)
.attr('role', 'button')
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.hover(
function() {
uiDialogTitlebarClose.addClass('ui-state-hover');
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},
function() {
uiDialogTitlebarClose.removeClass('ui-state-hover');
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}
)
.focus(function() {
uiDialogTitlebarClose.addClass('ui-state-focus');
})
.blur(function() {
uiDialogTitlebarClose.removeClass('ui-state-focus');
})
.click(function(event) {
self.close(event);
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return false;
})
.appendTo(uiDialogTitlebar),
uiDialogTitlebarCloseText = (self.uiDialogTitlebarCloseText = $('<span></span>'))
.addClass(
'ui-icon ' +
'ui-icon-closethick'
)
.text(options.closeText)
.appendTo(uiDialogTitlebarClose),
uiDialogTitle = $('<span></span>')
.addClass('ui-dialog-title')
.attr('id', titleId)
.html(title)
.prependTo(uiDialogTitlebar);
//handling of deprecated beforeclose (vs beforeClose) option
//Ticket #4669 http://dev.jqueryui.com/ticket/4669
//TODO: remove in 1.9pre
if ($.isFunction(options.beforeclose) && !$.isFunction(options.beforeClose)) {
options.beforeClose = options.beforeclose;
}
uiDialogTitlebar.find("*").add(uiDialogTitlebar).disableSelection();
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if (options.draggable && $.fn.draggable) {
self._makeDraggable();
}
if (options.resizable && $.fn.resizable) {
self._makeResizable();
}
self._createButtons(options.buttons);
self._isOpen = false;
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if ($.fn.bgiframe) {
uiDialog.bgiframe();
}
},
_init: function() {
if ( this.options.autoOpen ) {
this.open();
}
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},
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destroy: function() {
var self = this;
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if (self.overlay) {
self.overlay.destroy();
}
self.uiDialog.hide();
self.element
.unbind('.dialog')
.removeData('dialog')
.removeClass('ui-dialog-content ui-widget-content')
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.hide().appendTo('body');
self.uiDialog.remove();
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if (self.originalTitle) {
self.element.attr('title', self.originalTitle);
}
return self;
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},
widget: function() {
return this.uiDialog;
},
close: function(event) {
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var self = this,
maxZ;
if (false === self._trigger('beforeClose', event)) {
return;
}
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if (self.overlay) {
self.overlay.destroy();
}
self.uiDialog.unbind('keypress.ui-dialog');
self._isOpen = false;
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if (self.options.hide) {
self.uiDialog.hide(self.options.hide, function() {
self._trigger('close', event);
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});
} else {
self.uiDialog.hide();
self._trigger('close', event);
}
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$.ui.dialog.overlay.resize();
// adjust the maxZ to allow other modal dialogs to continue to work (see #4309)
if (self.options.modal) {
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maxZ = 0;
$('.ui-dialog').each(function() {
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if (this !== self.uiDialog[0]) {
maxZ = Math.max(maxZ, $(this).css('z-index'));
}
});
$.ui.dialog.maxZ = maxZ;
}
return self;
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},
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isOpen: function() {
return this._isOpen;
},
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// the force parameter allows us to move modal dialogs to their correct
// position on open
moveToTop: function(force, event) {
var self = this,
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options = self.options,
saveScroll;
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if ((options.modal && !force) ||
(!options.stack && !options.modal)) {
return self._trigger('focus', event);
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}
if (options.zIndex > $.ui.dialog.maxZ) {
$.ui.dialog.maxZ = options.zIndex;
}
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if (self.overlay) {
$.ui.dialog.maxZ += 1;
self.overlay.$el.css('z-index', $.ui.dialog.overlay.maxZ = $.ui.dialog.maxZ);
}
//Save and then restore scroll since Opera 9.5+ resets when parent z-Index is changed.
// http://ui.jquery.com/bugs/ticket/3193
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saveScroll = { scrollTop: self.element.attr('scrollTop'), scrollLeft: self.element.attr('scrollLeft') };
$.ui.dialog.maxZ += 1;
self.uiDialog.css('z-index', $.ui.dialog.maxZ);
self.element.attr(saveScroll);
self._trigger('focus', event);
return self;
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},
open: function() {
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if (this._isOpen) { return; }
var self = this,
options = self.options,
uiDialog = self.uiDialog;
self.overlay = options.modal ? new $.ui.dialog.overlay(self) : null;
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if (uiDialog.next().length) {
uiDialog.appendTo('body');
}
self._size();
self._position(options.position);
uiDialog.show(options.show);
self.moveToTop(true);
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// prevent tabbing out of modal dialogs
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if (options.modal) {
uiDialog.bind('keypress.ui-dialog', function(event) {
if (event.keyCode !== $.ui.keyCode.TAB) {
return;
}
var tabbables = $(':tabbable', this),
first = tabbables.filter(':first'),
last = tabbables.filter(':last');
if (event.target === last[0] && !event.shiftKey) {
first.focus(1);
return false;
} else if (event.target === first[0] && event.shiftKey) {
last.focus(1);
return false;
}
});
}
// set focus to the first tabbable element in the content area or the first button
// if there are no tabbable elements, set focus on the dialog itself
$([])
.add(uiDialog.find('.ui-dialog-content :tabbable:first'))
.add(uiDialog.find('.ui-dialog-buttonpane :tabbable:first'))
.add(uiDialog)
.filter(':first')
.focus();
self._trigger('open');
self._isOpen = true;
return self;
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},
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_createButtons: function(buttons) {
var self = this,
hasButtons = false,
uiDialogButtonPane = $('<div></div>')
.addClass(
'ui-dialog-buttonpane ' +
'ui-widget-content ' +
'ui-helper-clearfix'
);
// if we already have a button pane, remove it
self.uiDialog.find('.ui-dialog-buttonpane').remove();
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if (typeof buttons === 'object' && buttons !== null) {
$.each(buttons, function() {
return !(hasButtons = true);
});
}
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if (hasButtons) {
$.each(buttons, function(name, fn) {
var button = $('<button type="button"></button>')
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.text(name)
.click(function() { fn.apply(self.element[0], arguments); })
.appendTo(uiDialogButtonPane);
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if ($.fn.button) {
button.button();
}
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});
uiDialogButtonPane.appendTo(self.uiDialog);
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}
},
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_makeDraggable: function() {
var self = this,
options = self.options,
doc = $(document),
heightBeforeDrag;
function filteredUi(ui) {
return {
position: ui.position,
offset: ui.offset
};
}
self.uiDialog.draggable({
cancel: '.ui-dialog-content, .ui-dialog-titlebar-close',
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handle: '.ui-dialog-titlebar',
containment: 'document',
start: function(event, ui) {
heightBeforeDrag = options.height === "auto" ? "auto" : $(this).height();
$(this).height($(this).height()).addClass("ui-dialog-dragging");
self._trigger('dragStart', event, filteredUi(ui));
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},
drag: function(event, ui) {
self._trigger('drag', event, filteredUi(ui));
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},
stop: function(event, ui) {
options.position = [ui.position.left - doc.scrollLeft(),
ui.position.top - doc.scrollTop()];
$(this).removeClass("ui-dialog-dragging").height(heightBeforeDrag);
self._trigger('dragStop', event, filteredUi(ui));
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$.ui.dialog.overlay.resize();
}
});
},
_makeResizable: function(handles) {
handles = (handles === undefined ? this.options.resizable : handles);
var self = this,
options = self.options,
// .ui-resizable has position: relative defined in the stylesheet
// but dialogs have to use absolute or fixed positioning
position = self.uiDialog.css('position'),
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resizeHandles = (typeof handles === 'string' ?
handles :
'n,e,s,w,se,sw,ne,nw'
);
function filteredUi(ui) {
return {
originalPosition: ui.originalPosition,
originalSize: ui.originalSize,
position: ui.position,
size: ui.size
};
}
self.uiDialog.resizable({
cancel: '.ui-dialog-content',
containment: 'document',
alsoResize: self.element,
maxWidth: options.maxWidth,
maxHeight: options.maxHeight,
minWidth: options.minWidth,
minHeight: self._minHeight(),
handles: resizeHandles,
start: function(event, ui) {
$(this).addClass("ui-dialog-resizing");
self._trigger('resizeStart', event, filteredUi(ui));
},
resize: function(event, ui) {
self._trigger('resize', event, filteredUi(ui));
},
stop: function(event, ui) {
$(this).removeClass("ui-dialog-resizing");
options.height = $(this).height();
options.width = $(this).width();
self._trigger('resizeStop', event, filteredUi(ui));
$.ui.dialog.overlay.resize();
}
})
.css('position', position)
.find('.ui-resizable-se').addClass('ui-icon ui-icon-grip-diagonal-se');
},
_minHeight: function() {
var options = this.options;
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if (options.height === 'auto') {
return options.minHeight;
} else {
return Math.min(options.minHeight, options.height);
}
},
_position: function(position) {
var myAt = [],
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offset = [0, 0],
isVisible;
position = position || $.ui.dialog.prototype.options.position;
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// deep extending converts arrays to objects in jQuery <= 1.3.2 :-(
// if (typeof position == 'string' || $.isArray(position)) {
// myAt = $.isArray(position) ? position : position.split(' ');
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if (typeof position === 'string' || (typeof position === 'object' && '0' in position)) {
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myAt = position.split ? position.split(' ') : [position[0], position[1]];
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if (myAt.length === 1) {
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myAt[1] = myAt[0];
}
$.each(['left', 'top'], function(i, offsetPosition) {
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if (+myAt[i] === myAt[i]) {
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offset[i] = myAt[i];
myAt[i] = offsetPosition;
}
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});
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} else if (typeof position === 'object') {
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if ('left' in position) {
myAt[0] = 'left';
offset[0] = position.left;
} else if ('right' in position) {
myAt[0] = 'right';
offset[0] = -position.right;
}
if ('top' in position) {
myAt[1] = 'top';
offset[1] = position.top;
} else if ('bottom' in position) {
myAt[1] = 'bottom';
offset[1] = -position.bottom;
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}
}
// need to show the dialog to get the actual offset in the position plugin
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isVisible = this.uiDialog.is(':visible');
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if (!isVisible) {
this.uiDialog.show();
}
this.uiDialog
// workaround for jQuery bug #5781 http://dev.jquery.com/ticket/5781
.css({ top: 0, left: 0 })
.position({
my: myAt.join(' '),
at: myAt.join(' '),
offset: offset.join(' '),
of: window,
collision: 'fit',
// ensure that the titlebar is never outside the document
using: function(pos) {
var topOffset = $(this).css(pos).offset().top;
if (topOffset < 0) {
$(this).css('top', pos.top - topOffset);
}
}
});
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if (!isVisible) {
this.uiDialog.hide();
}
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},
_setOption: function(key, value){
var self = this,
uiDialog = self.uiDialog,
isResizable = uiDialog.is(':data(resizable)'),
resize = false;
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switch (key) {
//handling of deprecated beforeclose (vs beforeClose) option
//Ticket #4669 http://dev.jqueryui.com/ticket/4669
//TODO: remove in 1.9pre
case "beforeclose":
key = "beforeClose";
break;
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case "buttons":
self._createButtons(value);
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break;
case "closeText":
// convert whatever was passed in to a string, for text() to not throw up
self.uiDialogTitlebarCloseText.text("" + value);
break;
case "dialogClass":
uiDialog
.removeClass(self.options.dialogClass)
.addClass(uiDialogClasses + value);
break;
case "disabled":
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if (value) {
uiDialog.addClass('ui-dialog-disabled');
} else {
uiDialog.removeClass('ui-dialog-disabled');
}
break;
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case "draggable":
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if (value) {
self._makeDraggable();
} else {
uiDialog.draggable('destroy');
}
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break;
case "height":
resize = true;
break;
case "maxHeight":
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if (isResizable) {
uiDialog.resizable('option', 'maxHeight', value);
}
resize = true;
break;
case "maxWidth":
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if (isResizable) {
uiDialog.resizable('option', 'maxWidth', value);
}
resize = true;
break;
case "minHeight":
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if (isResizable) {
uiDialog.resizable('option', 'minHeight', value);
}
resize = true;
break;
case "minWidth":
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if (isResizable) {
uiDialog.resizable('option', 'minWidth', value);
}
resize = true;
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break;
case "position":
self._position(value);
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break;
case "resizable":
// currently resizable, becoming non-resizable
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if (isResizable && !value) {
uiDialog.resizable('destroy');
}
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// currently resizable, changing handles
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if (isResizable && typeof value === 'string') {
uiDialog.resizable('option', 'handles', value);
}
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// currently non-resizable, becoming resizable
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if (!isResizable && value !== false) {
self._makeResizable(value);
}
break;
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case "title":
// convert whatever was passed in o a string, for html() to not throw up
$(".ui-dialog-title", self.uiDialogTitlebar).html("" + (value || '&#160;'));
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break;
case "width":
resize = true;
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break;
}
$.Widget.prototype._setOption.apply(self, arguments);
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if (resize) {
self._size();
}
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},
_size: function() {
/* If the user has resized the dialog, the .ui-dialog and .ui-dialog-content
* divs will both have width and height set, so we need to reset them
*/
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var options = this.options,
nonContentHeight;
// reset content sizing
// hide for non content measurement because height: 0 doesn't work in IE quirks mode (see #4350)
this.element.css({
width: 'auto',
minHeight: 0,
height: 0
});
// reset wrapper sizing
// determine the height of all the non-content elements
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nonContentHeight = this.uiDialog.css({
height: 'auto',
width: options.width
})
.height();
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this.element
.css(options.height === 'auto' ? {
minHeight: Math.max(options.minHeight - nonContentHeight, 0),
height: 'auto'
} : {
minHeight: 0,
height: Math.max(options.height - nonContentHeight, 0)
})
.show();
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if (this.uiDialog.is(':data(resizable)')) {
this.uiDialog.resizable('option', 'minHeight', this._minHeight());
}
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}
});
$.extend($.ui.dialog, {
version: "@VERSION",
uuid: 0,
maxZ: 0,
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getTitleId: function($el) {
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var id = $el.attr('id');
if (!id) {
this.uuid += 1;
id = this.uuid;
}
return 'ui-dialog-title-' + id;
},
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overlay: function(dialog) {
this.$el = $.ui.dialog.overlay.create(dialog);
}
});
$.extend($.ui.dialog.overlay, {
instances: [],
// reuse old instances due to IE memory leak with alpha transparency (see #5185)
oldInstances: [],
maxZ: 0,
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events: $.map('focus,mousedown,mouseup,keydown,keypress,click'.split(','),
function(event) { return event + '.dialog-overlay'; }).join(' '),
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create: function(dialog) {
if (this.instances.length === 0) {
// prevent use of anchors and inputs
// we use a setTimeout in case the overlay is created from an
// event that we're going to be cancelling (see #2804)
setTimeout(function() {
// handle $(el).dialog().dialog('close') (see #4065)
if ($.ui.dialog.overlay.instances.length) {
$(document).bind($.ui.dialog.overlay.events, function(event) {
// stop events if the z-index of the target is < the z-index of the overlay
return ($(event.target).zIndex() >= $.ui.dialog.overlay.maxZ);
});
}
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}, 1);
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// allow closing by pressing the escape key
$(document).bind('keydown.dialog-overlay', function(event) {
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if (dialog.options.closeOnEscape && event.keyCode &&
event.keyCode === $.ui.keyCode.ESCAPE) {
dialog.close(event);
event.preventDefault();
}
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});
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// handle window resize
$(window).bind('resize.dialog-overlay', $.ui.dialog.overlay.resize);
}
var $el = (this.oldInstances.pop() || $('<div></div>').addClass('ui-widget-overlay'))
.appendTo(document.body)
.css({
width: this.width(),
height: this.height()
});
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if ($.fn.bgiframe) {
$el.bgiframe();
}
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this.instances.push($el);
return $el;
},
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destroy: function($el) {
this.oldInstances.push(this.instances.splice($.inArray($el, this.instances), 1)[0]);
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if (this.instances.length === 0) {
$([document, window]).unbind('.dialog-overlay');
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}
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$el.remove();
// adjust the maxZ to allow other modal dialogs to continue to work (see #4309)
var maxZ = 0;
$.each(this.instances, function() {
maxZ = Math.max(maxZ, this.css('z-index'));
});
this.maxZ = maxZ;
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},
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height: function() {
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var scrollHeight,
offsetHeight;
// handle IE 6
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if ($.browser.msie && $.browser.version < 7) {
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scrollHeight = Math.max(
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document.documentElement.scrollHeight,
document.body.scrollHeight
);
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offsetHeight = Math.max(
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document.documentElement.offsetHeight,
document.body.offsetHeight
);
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if (scrollHeight < offsetHeight) {
return $(window).height() + 'px';
} else {
return scrollHeight + 'px';
}
// handle "good" browsers
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} else {
return $(document).height() + 'px';
}
},
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width: function() {
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var scrollWidth,
offsetWidth;
// handle IE 6
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if ($.browser.msie && $.browser.version < 7) {
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scrollWidth = Math.max(
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document.documentElement.scrollWidth,
document.body.scrollWidth
);
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offsetWidth = Math.max(
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document.documentElement.offsetWidth,
document.body.offsetWidth
);
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if (scrollWidth < offsetWidth) {
return $(window).width() + 'px';
} else {
return scrollWidth + 'px';
}
// handle "good" browsers
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} else {
return $(document).width() + 'px';
}
},
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resize: function() {
/* If the dialog is draggable and the user drags it past the
* right edge of the window, the document becomes wider so we
* need to stretch the overlay. If the user then drags the
* dialog back to the left, the document will become narrower,
* so we need to shrink the overlay to the appropriate size.
* This is handled by shrinking the overlay before setting it
* to the full document size.
*/
var $overlays = $([]);
$.each($.ui.dialog.overlay.instances, function() {
$overlays = $overlays.add(this);
});
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$overlays.css({
width: 0,
height: 0
}).css({
width: $.ui.dialog.overlay.width(),
height: $.ui.dialog.overlay.height()
});
}
});
$.extend($.ui.dialog.overlay.prototype, {
destroy: function() {
$.ui.dialog.overlay.destroy(this.$el);
}
});
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}(jQuery));