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jquery.cool.modalWidget.js
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jquery.cool.modalWidget.js
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/**
* cool.modalWidget
* @author: Paris Theofanidis (ptheofan@gmail.com)
* @source: git@github.com:ptheofan/cool.modalWidget.git
*
* Will convert a div to modal popup (but it's not a dialog).
* This is based on the CSS facebook (which appearently 'borrowed' it from google)
* uses to render the modal popups which show case photos, etc.
*
* Currently tested with Chrome and Firefox. If you happen to have IE and try it
* let me know if it worked. Should you apply any IE patches also send 'em over
* to publish them (under your name of course) with the widget
*
* It beats jDialog because
* 1. It's hellable lighter
* 2. Aligns itself at screen center ALWAYS (with pure css!) (unline my jDialog extension that uses js)
* 3. Will prevent the user from scrolling the contents behind the modal (really neat)
* 4. Allows the user to scroll over the modal if it's larger than his screen
* 5. Allows you to easily modify its content after it has been initialized (similar to my jDialog extension)
* 6. Allows you to easily modify ANY css attribute of the elements that will wrap your div
* 7. Can be configured to automaticall destroy your element on close
* 8. Has an event for pretty much everything :D
* 9. Does NOT restrict your modal layout in any way (no title, no X button, no nothing!) :)
* 10. It can mimic the layout of jDialog allowing you use the most important aspects of it for styling
*
* Configuration Options
* autoOpen: false
* if true will launch your modal the moment you create it
*
* removeElementOnDestroy: false
* if true will REMOVE your element from DOM when modal is destroyed
*
* closeOnEscape: false
* if true will close the modal when ESC is pressed (actually code borrowed from jDialog ;)
*
* destroyOnClose: false
* if true will destroy the widget automagically when modal closes
* FYI: if removeElementOnDestroy is set to true it will also destroy your element! :)
*
* css: {blocker: {...}, hoder: {...}, alignment: {...}, container: {...}}
* contains the CSS that is applied to the divs that wrap your element.
* FYI: z-index and transparency level of the blocker can be easily adjusted
* from the css.blocker['z-index'] and css.blocker['background-color'].
* [HINT] You can even add a png bg with your logo, cool right? ;)
*
*
* Functions (methods)
* open (events: beforeOpen, afterOpen)
* will launch the modal
*
* close (events: beforeClose, afterClose)
* will close the modal
*
* destroy (events: beforeDestroy)
* will destroy the widget
*
* content (events: beforeContentChange, afterContentChange)
* 1st argument: HTML or jQuery element
* will swap the current content with the provided content (accepts one argument)
*/
(function($){
$.widget('cool.modalWidget', {
options: {
// Open the moment plugin binds to element
autoOpen: false,
// Destroy the element when modal closes
removeElementOnDestroy: false,
// Dismiss modal on escape
closeOnEscape: false,
// Dismiss modal if user clicks outside it
closeOnClickOutside: false,
// Destroy the widget when modal is closed (will chain with closeOnEscape and destroyElement)
destroyOnClose: false,
// Mimic the jDialog divs layout
mimicJDialog: false,
// Classes to attach to the respective div
classes: {
blocker: null,
positioner: null,
holder: null,
alignment: null,
container: null,
jDialogDialog: 'ui-dialog ui-widget ui-widget-content ui-corner-all ui-draggable ui-resizable',
jDialogTitle: 'ui-dialog-titlebar ui-widget-header ui-corner-all ui-helper-clearfix',
jDialogTitleSpan: 'ui-dialog-title',
jDialogTitleClose: 'ui-dialog-titlebar-close ui-corner-all',
jDialogTitleCloseSpan: 'ui-icon ui-icon-closethick'
},
// The CSS that is applied to the divs that will contain the element
css: {
blocker: {
'position': 'fixed',
'top': '0px',
'left': '0px',
'bottom': '0px',
'right': '0px',
'overflow': 'hidden',
'z-index': '1200',
'background-color': 'black',
'opacity': 0.75,
'-ms-filter': '"progid:DXImageTransform.Microsoft.Alpha(Opacity=84)"',
'filter': 'alpha(opacity=75)',
'-moz-opacity': 0.75,
'-khtml-opacity': 0.75,
'display': 'none'
},
positioner: {
'position': 'fixed',
'top': '0px',
'left': '0px',
'bottom': '0px',
'right': '0px',
'overflow': 'hidden',
'z-index': '1200',
'background-color': 'transparent',
'overflow-y': 'scroll',
'display': 'none'
},
holder: {
'display': 'table',
'height': '100%',
'width': '100%',
'table-layout': 'fixed'
},
alignment: {
'display': 'table-cell',
'text-align': 'center',
'vertical-align': 'middle',
'width': '100%',
'height': '100%'
},
container: {
'position': 'relative',
'display': 'inline-block',
'outline': 'none',
'z-index': '1201',
'text-align': 'left'
}
}
},
// Divs we wrap around element
_blocker: null,
_positioner: null,
_holder: null,
_alignment: null,
_container: null,
_dialogFakeTitle: null,
_bodyOldOverflowX: null,
_bodyOldOverflowY: null,
_create: function() {
this._self = this;
this._blocker = $('<div>').css(this.options.css.blocker).addClass(this.options.classes.blocker);
this._positioner = $('<div>').css(this.options.css.positioner).addClass(this.options.classes.positioner);
this._holder = $('<div>').css(this.options.css.holder).addClass(this.options.classes.holder);
this._alignment = $('<div>').css(this.options.css.alignment).addClass(this.options.classes.alignment).addClass('outside-click-capture');
this._container = $('<div>').css(this.options.css.container).addClass(this.options.classes.container).addClass('inside-click-capture');
if (this._blocker.closeOnClickOutside == true) {
this._alignment.addClass('outside-click-capture');
this._container.addClass('inside-click-capture');
}
// Nest the divs and grab the element
this._positioner.append(this._holder.append(this._alignment.append(this._container.wrapInner(this.element))));
// Add the divs and classes needed to make this modal appear as jDialog modal
if (this.options.mimicJDialog) {
this._container.addClass(this.options.classes.jDialogDialog).attr({
role: 'dialog',
tabIndex: -1,
'aria-labelledby': 'ui-dialog-title-modalContent'
});
this._dialogFakeTitle = $('<div>')
.addClass(this.options.classes.jDialogTitle)
.append($('<span>')
.addClass(this.options.classes.jDialogTitleSpan)
.html(this.element.attr('title'))
)
.append($('<a href="#" role="button">')
.addClass(this.options.classes.jDialogTitleClose)
.append($('<span>close</span>')
.addClass(this.options.classes.jDialogTitleCloseSpan)
)
.on('click', $.proxy(this.close, this))
.hover(function(evt){
$(this).addClass('ui-state-hover');
}, function(evt){
$(this).removeClass('ui-state-hover');
})
);
this._container.prepend(this._dialogFakeTitle);
}
// Append to body
$('body').append(this._blocker);
$('body').append(this._positioner);
// Handle click outside case
if (this.options.closeOnClickOutside == true) {
$('.outside-click-capture').click($.proxy(function(evt) {
if (this.insideClickCaptured === true) {
this.insideClickCaptured = false;
} else {
this._clickedOutside();
}
}, this));
$('.inside-click-capture').click($.proxy(function(evt) {
this.insideClickCaptured = true;
}, this));
}
},
_clickedOutside: function() {
this.close();
},
_init: function() {
if (this.options.autoOpen === true) {
this.open();
}
},
/**
* Open the modal
*/
open: function() {
if (this._trigger('beforeOpen')) {
this._positioner.css({'display': 'block'});
this._blocker.css({'display': 'block'});
this._bodyOldOverflowX = $('body').css('overflow-x');
this._bodyOldOverflowY = $('body').css('overflow-y');
$('body').css({'overflow': 'hidden'});
if (this.options.closeOnEscape === true) {
var self = this;
this._positioner.attr('tabIndex', -1).css('outline', 0).keydown(function(evt) {
if (self.options.closeOnEscape && !evt.isDefaultPrevented() && evt.keyCode && evt.keyCode === $.ui.keyCode.ESCAPE) {
self.close(evt);
evt.preventDefault();
}
});
}
this._trigger('afterOpen');
}
},
/**
* Close the modal
*/
close: function(evt) {
if (this._trigger('beforeClose', evt)) {
$('body').css({'overflow-x': this._bodyOldOverflowX, 'overflow-y': this._bodyOldOverflowY});
this._trigger('afterClose');
if (this.options.closeOnEscape === true) {
this._positioner.unbind('keypress');
}
if (this.options.destroyOnClose === true) {
this._positioner.remove();
this._blocker.remove();
// Restore elemet on DOM (if destroyOnHide = false)
if (this.options.removeElementOnDestroy === false) {
$('body').append(this.element);
} else {
this.element.remove();
}
} else {
this._positioner.css({'display': 'none'});
this._blocker.css({'display': 'none'});
}
}
},
/**
* Replace the contents of the modal with whatever you want.
* FYI: Your associated element will loose all its previous
*/
content: function(elem) {
if (this._trigger('beforeContentChange')) {
this.element.html($(elem));
this._trigger('afterContentChange');
}
}
});
})(jQuery);