mirror of
https://github.com/jquery/jquery-ui.git
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445 lines
12 KiB
JavaScript
445 lines
12 KiB
JavaScript
/*
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* jQuery UI Dialog
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*
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* Copyright (c) 2008 Richard D. Worth (rdworth.org)
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* Dual licensed under the MIT (MIT-LICENSE.txt)
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* and GPL (GPL-LICENSE.txt) licenses.
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*
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* http://docs.jquery.com/UI/Dialog
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*
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* Depends:
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* ui.core.js
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* ui.draggable.js
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* ui.resizable.js
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*
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*/
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(function($) {
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var setDataSwitch = {
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dragStart: "start.draggable",
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drag: "drag.draggable",
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dragStop: "stop.draggable",
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maxHeight: "maxHeight.resizable",
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minHeight: "minHeight.resizable",
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maxWidth: "maxWidth.resizable",
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minWidth: "minWidth.resizable",
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resizeStart: "start.resizable",
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resize: "drag.resizable",
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resizeStop: "stop.resizable"
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};
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$.widget("ui.dialog", {
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init: function() {
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var self = this,
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options = this.options,
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resizeHandles = typeof options.resizable == 'string'
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? options.resizable
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: 'n,e,s,w,se,sw,ne,nw',
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uiDialogContent = this.element
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.addClass('ui-dialog-content')
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.wrap('<div/>')
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.wrap('<div/>'),
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uiDialogContainer = uiDialogContent.parent()
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.addClass('ui-dialog-container')
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.css({position: 'relative'}),
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title = options.title || uiDialogContent.attr('title') || '',
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uiDialogTitlebar = (this.uiDialogTitlebar =
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$('<div class="ui-dialog-titlebar"/>'))
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.append('<span class="ui-dialog-title">' + title + '</span>')
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.append('<a href="#" class="ui-dialog-titlebar-close"><span>X</span></a>')
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.prependTo(uiDialogContainer),
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uiDialog = (this.uiDialog = uiDialogContainer.parent())
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.appendTo(document.body)
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.hide()
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.addClass('ui-dialog')
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.addClass(options.dialogClass)
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// add content classes to dialog
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// to inherit theme at top level of element
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.addClass(uiDialogContent.attr('className'))
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.removeClass('ui-dialog-content')
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.css({
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position: 'absolute',
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width: options.width,
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height: options.height,
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overflow: 'hidden',
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zIndex: options.zIndex
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})
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// setting tabIndex makes the div focusable
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// setting outline to 0 prevents a border on focus in Mozilla
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.attr('tabIndex', -1).css('outline', 0).keydown(function(ev) {
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if (options.closeOnEscape) {
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var ESC = 27;
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(ev.keyCode && ev.keyCode == ESC && self.close());
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}
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})
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.mousedown(function() {
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self.moveToTop();
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});
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this.uiDialogTitlebarClose = $('.ui-dialog-titlebar-close', uiDialogTitlebar)
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.hover(
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function() {
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$(this).addClass('ui-dialog-titlebar-close-hover');
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},
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function() {
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$(this).removeClass('ui-dialog-titlebar-close-hover');
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}
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)
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.mousedown(function(ev) {
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ev.stopPropagation();
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})
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.click(function() {
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self.close();
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return false;
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});
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var hasButtons = false;
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$.each(options.buttons, function() { return !(hasButtons = true); });
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if (hasButtons) {
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var uiDialogButtonPane = $('<div class="ui-dialog-buttonpane"/>')
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.appendTo(uiDialog);
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$.each(options.buttons, function(name, fn) {
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$('<button/>')
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.text(name)
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.click(function() { fn.apply(self.element[0], arguments); })
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.appendTo(uiDialogButtonPane);
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});
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}
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if ($.fn.draggable) {
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uiDialog.draggable({
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handle: '.ui-dialog-titlebar',
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start: function(e, ui) {
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self.moveToTop();
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(options.dragStart && options.dragStart.apply(this, arguments));
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},
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drag: options.drag,
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stop: function(e, ui) {
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(options.dragStop && options.dragStop.apply(this, arguments));
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$.ui.dialog.overlay.resize();
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}
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});
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(options.draggable || uiDialog.draggable('disable'));
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}
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if ($.fn.resizable) {
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uiDialog.resizable({
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maxWidth: options.maxWidth,
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maxHeight: options.maxHeight,
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minWidth: options.minWidth,
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minHeight: options.minHeight,
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start: options.resizeStart,
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resize: options.resize,
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handles: resizeHandles,
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stop: function(e, ui) {
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(options.resizeStop && options.resizeStop.apply(this, arguments));
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$.ui.dialog.overlay.resize();
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}
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});
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(options.resizable || uiDialog.resizable('disable'));
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}
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(options.bgiframe && $.fn.bgiframe && uiDialog.bgiframe());
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(options.autoOpen && this.open());
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},
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setData: function(key, value){
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(setDataSwitch[key] && this.uiDialog.data(setDataSwitch[key], value));
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switch (key) {
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case "draggable":
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this.uiDialog.draggable(value ? 'enable' : 'disable');
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break;
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case "height":
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this.uiDialog.height(value);
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break;
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case "position":
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this.position(value);
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break;
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case "resizable":
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(typeof value == 'string' && this.uiDialog.data('handles.resizable', value));
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this.uiDialog.resizable(value ? 'enable' : 'disable');
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break;
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case "title":
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$(".ui-dialog-title", this.uiDialogTitlebar).text(value);
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break;
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case "width":
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this.uiDialog.width(value);
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break;
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}
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$.widget.prototype.setData.apply(this, arguments);
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},
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position: function(pos) {
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var wnd = $(window), doc = $(document),
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pTop = doc.scrollTop(), pLeft = doc.scrollLeft(),
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minTop = pTop;
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if ($.inArray(pos, ['center','top','right','bottom','left']) >= 0) {
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pos = [
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pos == 'right' || pos == 'left' ? pos : 'center',
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pos == 'top' || pos == 'bottom' ? pos : 'middle'
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];
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}
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if (pos.constructor != Array) {
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pos = ['center', 'middle'];
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}
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if (pos[0].constructor == Number) {
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pLeft += pos[0];
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} else {
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switch (pos[0]) {
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case 'left':
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pLeft += 0;
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break;
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case 'right':
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pLeft += wnd.width() - this.uiDialog.width();
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break;
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default:
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case 'center':
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pLeft += (wnd.width() - this.uiDialog.width()) / 2;
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}
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}
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if (pos[1].constructor == Number) {
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pTop += pos[1];
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} else {
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switch (pos[1]) {
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case 'top':
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pTop += 0;
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break;
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case 'bottom':
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pTop += wnd.height() - this.uiDialog.height();
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break;
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default:
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case 'middle':
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pTop += (wnd.height() - this.uiDialog.height()) / 2;
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}
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}
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// prevent the dialog from being too high (make sure the titlebar
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// is accessible)
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pTop = Math.max(pTop, minTop);
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this.uiDialog.css({top: pTop, left: pLeft});
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},
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open: function() {
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this.overlay = this.options.modal ? new $.ui.dialog.overlay(this) : null;
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this.uiDialog.appendTo('body');
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this.position(this.options.position);
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this.uiDialog.show();
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this.moveToTop(true);
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// CALLBACK: open
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var openEV = null;
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var openUI = {
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options: this.options
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};
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this.uiDialogTitlebarClose.focus();
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this.element.triggerHandler("dialogopen", [openEV, openUI], this.options.open);
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},
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// the force parameter allows us to move modal dialogs to their correct
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// position on open
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moveToTop: function(force) {
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if ((this.options.modal && !force) || !this.options.stack) { return; }
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var maxZ = this.options.zIndex, options = this.options;
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$('.ui-dialog:visible').each(function() {
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maxZ = Math.max(maxZ, parseInt($(this).css('z-index'), 10) || options.zIndex);
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});
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(this.overlay && this.overlay.$el.css('z-index', ++maxZ));
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this.uiDialog.css('z-index', ++maxZ);
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},
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close: function() {
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(this.overlay && this.overlay.destroy());
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this.uiDialog.hide();
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// CALLBACK: close
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var closeEV = null;
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var closeUI = {
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options: this.options
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};
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this.element.triggerHandler("dialogclose", [closeEV, closeUI], this.options.close);
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$.ui.dialog.overlay.resize();
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},
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destroy: function() {
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(this.overlay && this.overlay.destroy());
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this.uiDialog.hide();
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this.element
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.unbind('.dialog')
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.removeData('dialog')
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.removeClass('ui-dialog-content')
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.hide().appendTo('body');
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this.uiDialog.remove();
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}
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});
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$.extend($.ui.dialog, {
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defaults: {
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autoOpen: true,
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bgiframe: false,
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buttons: {},
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closeOnEscape: true,
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draggable: true,
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height: 200,
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minHeight: 100,
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minWidth: 150,
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modal: false,
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overlay: {},
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position: 'center',
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resizable: true,
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stack: true,
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width: 300,
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zIndex: 1000
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},
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overlay: function(dialog) {
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this.$el = $.ui.dialog.overlay.create(dialog);
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}
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});
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$.extend($.ui.dialog.overlay, {
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instances: [],
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events: $.map('focus,mousedown,mouseup,keydown,keypress,click'.split(','),
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function(e) { return e + '.dialog-overlay'; }).join(' '),
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create: function(dialog) {
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if (this.instances.length === 0) {
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// prevent use of anchors and inputs
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// we use a setTimeout in case the overlay is created from an
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// event that we're going to be cancelling (see #2804)
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setTimeout(function() {
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$('a, :input').bind($.ui.dialog.overlay.events, function() {
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// allow use of the element if inside a dialog and
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// - there are no modal dialogs
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// - there are modal dialogs, but we are in front of the topmost modal
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var allow = false;
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var $dialog = $(this).parents('.ui-dialog');
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if ($dialog.length) {
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var $overlays = $('.ui-dialog-overlay');
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if ($overlays.length) {
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var maxZ = parseInt($overlays.css('z-index'), 10);
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$overlays.each(function() {
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maxZ = Math.max(maxZ, parseInt($(this).css('z-index'), 10));
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});
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allow = parseInt($dialog.css('z-index'), 10) > maxZ;
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} else {
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allow = true;
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}
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}
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return allow;
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});
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}, 1);
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// allow closing by pressing the escape key
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$(document).bind('keydown.dialog-overlay', function(e) {
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var ESC = 27;
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(e.keyCode && e.keyCode == ESC && dialog.close());
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});
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// handle window resize
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$(window).bind('resize.dialog-overlay', $.ui.dialog.overlay.resize);
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}
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var $el = $('<div/>').appendTo(document.body)
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.addClass('ui-dialog-overlay').css($.extend({
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borderWidth: 0, margin: 0, padding: 0,
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position: 'absolute', top: 0, left: 0,
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width: this.width(),
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height: this.height()
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}, dialog.options.overlay));
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(dialog.options.bgiframe && $.fn.bgiframe && $el.bgiframe());
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this.instances.push($el);
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return $el;
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},
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destroy: function($el) {
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this.instances.splice($.inArray(this.instances, $el), 1);
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if (this.instances.length === 0) {
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$('a, :input').add([document, window]).unbind('.dialog-overlay');
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}
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$el.remove();
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},
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height: function() {
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if ($.browser.msie && $.browser.version < 7) {
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var scrollHeight = Math.max(
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document.documentElement.scrollHeight,
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document.body.scrollHeight
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);
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var offsetHeight = Math.max(
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document.documentElement.offsetHeight,
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document.body.offsetHeight
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);
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if (scrollHeight < offsetHeight) {
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return $(window).height() + 'px';
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} else {
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return scrollHeight + 'px';
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}
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} else {
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return $(document).height() + 'px';
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}
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},
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width: function() {
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if ($.browser.msie && $.browser.version < 7) {
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var scrollWidth = Math.max(
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document.documentElement.scrollWidth,
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document.body.scrollWidth
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);
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var offsetWidth = Math.max(
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document.documentElement.offsetWidth,
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document.body.offsetWidth
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);
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if (scrollWidth < offsetWidth) {
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return $(window).width() + 'px';
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} else {
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return scrollWidth + 'px';
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}
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} else {
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return $(document).width() + 'px';
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}
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},
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resize: function() {
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/* If the dialog is draggable and the user drags it past the
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* right edge of the window, the document becomes wider so we
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* need to stretch the overlay. If the user then drags the
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* dialog back to the left, the document will become narrower,
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* so we need to shrink the overlay to the appropriate size.
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* This is handled by shrinking the overlay before setting it
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* to the full document size.
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*/
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var $overlays = $([]);
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$.each($.ui.dialog.overlay.instances, function() {
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$overlays = $overlays.add(this);
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});
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$overlays.css({
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width: 0,
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height: 0
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}).css({
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width: $.ui.dialog.overlay.width(),
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height: $.ui.dialog.overlay.height()
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});
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}
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});
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$.extend($.ui.dialog.overlay.prototype, {
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destroy: function() {
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$.ui.dialog.overlay.destroy(this.$el);
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}
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});
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})(jQuery);
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