869 lines
28 KiB
JavaScript
869 lines
28 KiB
JavaScript
// $Id$
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(function ($) {
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/**
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* Open the overlay, or load content into it, when an admin link is clicked.
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*/
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Drupal.behaviors.overlayParent = {
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attach: function (context, settings) {
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var $window = $(window);
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// Alter all admin links so that they will open in the overlay.
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$('a', context).filter(function () {
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return Drupal.overlay.isAdminLink(this.href);
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})
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.once('overlay')
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.each(function () {
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// Move the link destination to a URL fragment.
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this.href = Drupal.overlay.fragmentizeLink(this);
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});
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// Simulate the native click event for all links that appear outside the
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// overlay. jQuery UI Dialog prevents all clicks outside a modal dialog.
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$('.overlay-displace-top a:not(.overlay-displace-no-click)', context)
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.add('.overlay-displace-bottom a:not(.overlay-displace-no-click)', context)
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.click(function () {
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window.location.href = this.href;
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});
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// Resize the overlay when the toolbar drawer is toggled.
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$('#toolbar a.toggle', context).once('overlay').click(function () {
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setTimeout(function () {
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// Resize the overlay, if it's open.
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if (Drupal.overlay.isOpen) {
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Drupal.overlay.outerResize();
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}
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}, 10);
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});
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// Make sure the onhashchange handling below is only processed once.
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if (this.processed) {
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return;
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}
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this.processed = true;
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// When the hash (URL fragment) changes, open the overlay if needed.
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$window.bind('hashchange', function (e) {
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// If we changed the hash to reflect an internal redirect in the overlay,
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// its location has already been changed, so don't do anything.
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if ($.data(window.location, window.location.href) === 'redirect') {
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$.data(window.location, window.location.href, null);
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}
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// Otherwise, change the contents of the overlay to reflect the new hash.
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else {
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Drupal.overlay.trigger();
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}
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});
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// Trigger the hashchange event once, after the page is loaded, so that
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// permalinks open the overlay.
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$window.trigger('hashchange');
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}
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};
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/**
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* Overlay object for parent windows.
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*/
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Drupal.overlay = Drupal.overlay || {
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options: {},
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isOpen: false,
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isOpening: false,
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isClosing: false,
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isLoading: false,
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onOverlayCloseArgs: null,
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onOverlayCloseStatusMessages: null,
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resizeTimeoutID: null,
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lastHeight: 0,
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$wrapper: null,
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$dialog: null,
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$dialogTitlebar: null,
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$container: null,
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$iframe: null,
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$iframeWindow: null,
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$iframeDocument: null,
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$iframeBody: null
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};
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/**
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* Open an overlay.
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*
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* Ensure that only one overlay is opened ever. Use Drupal.overlay.load() if
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* the overlay is already open but a new page needs to be opened.
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*
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* @param options
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* Properties of the overlay to open:
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* - url: the URL of the page to open in the overlay.
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* - width: width of the overlay in pixels.
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* - height: height of the overlay in pixels.
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* - autoFit: boolean indicating whether the overlay should be resized to
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* fit the contents of the document loaded.
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* - onOverlayOpen: callback to invoke when the overlay is opened.
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* - onOverlayCanClose: callback to allow external scripts to decide if the
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* overlay can be closed.
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* - onOverlayClose: callback to invoke when the overlay is closed.
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* - customDialogOptions: an object with custom jQuery UI Dialog options.
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*
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* @return
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* If the overlay was opened true, otherwise false.
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*/
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Drupal.overlay.open = function (options) {
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var self = this;
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// Just one overlay is allowed.
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if (self.isOpen || self.isOpening) {
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return false;
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}
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self.isOpening = true;
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var defaultOptions = {
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url: options.url,
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width: options.width,
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height: options.height,
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autoFit: (options.autoFit == undefined || options.autoFit),
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onOverlayOpen: options.onOverlayOpen,
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onOverlayCanClose: options.onOverlayCanClose,
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onOverlayClose: options.onOverlayClose,
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customDialogOptions: options.customDialogOptions || {}
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};
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self.options = $.extend(defaultOptions, options);
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// Create the dialog and related DOM elements.
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self.create();
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// Open the dialog.
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self.$container.dialog('open');
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return true;
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};
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/**
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* Create the underlying markup and behaviors for the overlay.
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*
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* Reuses jQuery UI's dialog component to construct the overlay markup and
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* behaviors, sanitizing the options previously set in self.options.
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*/
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Drupal.overlay.create = function () {
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var self = this;
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var $window = $(window);
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var $body = $('body');
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var delayedOuterResize = function() {
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setTimeout(self.outerResize, 1);
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};
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// Open callback for jQuery UI Dialog.
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var dialogOpen = function () {
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// Unbind the keypress handler installed by ui.dialog itself.
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// IE does not fire keypress events for some non-alphanumeric keys
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// such as the tab character. http://www.quirksmode.org/js/keys.html
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// Also, this is not necessary here because we need to deal with an
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// iframe element that contains a separate window.
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// We'll try to provide our own behavior from bindChild() method.
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self.$dialog.unbind('keypress.ui-dialog');
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// Add title to close button features for accessibility.
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self.$dialogTitlebar.find('.ui-dialog-titlebar-close').attr('title', Drupal.t('Close'));
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// Replace the title span element with an h1 element for accessibility.
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var $dialogTitle = self.$dialogTitlebar.find('.ui-dialog-title');
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$dialogTitle.replaceWith(Drupal.theme('overlayTitleHeader', $dialogTitle.html()));
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// Wrap the dialog into a div so we can center it using CSS.
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self.$dialog.wrap(Drupal.theme('overlayWrapper'));
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self.$wrapper = self.$dialog.parent();
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self.$dialog.css({
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// Remove some CSS properties added by ui.dialog itself.
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position: '', left: '', top: '', height: ''
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});
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// Add a class to the body to indicate the overlay is open.
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$body.addClass('overlay-open');
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// Adjust overlay size when window is resized.
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$window.bind('resize', delayedOuterResize);
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if (self.options.autoFit) {
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$body.addClass('overlay-autofit');
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}
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else {
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// Add scrollbar to the iframe when autoFit is disabled.
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self.$iframe.css('overflow', 'auto').attr('scrolling', 'yes');
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}
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// Compute initial dialog size.
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self.outerResize();
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// Load the document on hidden iframe (see bindChild method).
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self.load(self.options.url);
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if ($.isFunction(self.options.onOverlayOpen)) {
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self.options.onOverlayOpen(self);
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}
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self.isOpen = true;
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self.isOpening = false;
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};
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// Before close callback for jQuery UI Dialog.
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var dialogBeforeClose = function () {
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// Prevent double execution when close is requested more than once.
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if (!self.isOpen || self.isClosing) {
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return false;
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}
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// Allow external scripts to decide if the overlay can be closed.
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// The external script should call Drupal.overlay.close() again when it is
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// ready for closing.
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if ($.isFunction(self.options.onOverlayCanClose) && self.options.onOverlayCanClose(self) === false) {
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return false;
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}
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self.isClosing = true;
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// Stop all animations.
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$window.unbind('resize', delayedOuterResize);
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clearTimeout(self.resizeTimeoutID);
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};
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// Close callback for jQuery UI Dialog.
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var dialogClose = function () {
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$(document).unbind('keydown.overlay-event');
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$body.removeClass('overlay-open').removeClass('overlay-autofit');
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// When the iframe is still loading don't destroy it immediately but after
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// the content is loaded (see self.load).
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if (!self.isLoading) {
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self.$iframe.unbind('load');
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self.destroy();
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}
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self.isOpen = false;
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self.isClosing = false;
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self.lastHeight = 0;
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if ($.isFunction(self.options.onOverlayClose)) {
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self.options.onOverlayClose(self.onOverlayCloseArgs, self.onOverlayCloseStatusMessages);
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}
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self.onOverlayCloseArgs = null;
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self.onOverlayCloseStatusMessages = null;
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};
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// Default jQuery UI Dialog options.
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var dialogOptions = {
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autoOpen: false,
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closeOnEscape: true,
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dialogClass: 'overlay',
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draggable: false,
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modal: true,
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resizable: false,
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title: Drupal.t('Loading...'),
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zIndex: 500,
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// When the width is not set, use an empty string instead, so that CSS will
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// be able to handle it.
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width: self.options.width || '',
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height: self.options.height,
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open: dialogOpen,
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beforeclose: dialogBeforeClose,
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close: dialogClose
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};
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// Create the overlay container and iframe.
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self.$iframe = $(Drupal.theme('overlayElement'));
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self.$container = $(Drupal.theme('overlayContainer')).append(self.$iframe);
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// Allow external script to override the default jQuery UI Dialog options.
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$.extend(dialogOptions, self.options.customDialogOptions);
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// Create the jQuery UI Dialog.
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self.$container.dialog(dialogOptions);
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// Cache dialog selector.
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self.$dialog = self.$container.parents('.' + dialogOptions.dialogClass);
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self.$dialogTitlebar = self.$dialog.find('.ui-dialog-titlebar');
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};
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/**
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* Load the given URL into the overlay iframe.
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*
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* Use this method to change the URL being loaded in the overlay if it is
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* already open.
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*/
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Drupal.overlay.load = function (url) {
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var self = this;
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var iframeElement = self.$iframe.get(0);
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self.isLoading = true;
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self.$iframeWindow = null;
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self.$iframeDocument = null;
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self.$iframeBody = null;
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// No need to resize when loading.
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clearTimeout(self.resizeTimeoutID);
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// Change the overlay title.
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self.$container.dialog('option', 'title', Drupal.t('Loading...'));
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// When a new overlay is opened and loaded, we add a loaded class to the
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// dialog. The loaded class is not removed and added back again while
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// switching between pages with the overlay already open, due to
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// performance issues (see http://drupal.org/node/615130).
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self.$dialog.removeClass('overlay-loaded');
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self.$iframe
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.css('visibility', 'hidden')
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.load(function () {
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self.isLoading = false;
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// Only continue when overlay is still open and not closing.
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if (self.isOpen && !self.isClosing) {
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self.$iframe.css('visibility', '');
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self.$dialog.addClass('overlay-loaded');
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}
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else {
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self.destroy();
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}
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});
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// Get the document object of the iframe window.
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// @see http://xkr.us/articles/dom/iframe-document/
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var iframeDocument = (iframeElement.contentWindow || iframeElement.contentDocument);
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if (iframeDocument.document) {
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iframeDocument = iframeDocument.document;
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}
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// location.replace doesn't create a history entry. location.href does.
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// In this case, we want location.replace, as we're creating the history
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// entry using URL fragments.
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iframeDocument.location.replace(url);
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};
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/**
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* Close the overlay and remove markup related to it from the document.
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*/
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Drupal.overlay.close = function (args, statusMessages) {
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var self = this;
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self.onOverlayCloseArgs = args;
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self.onOverlayCloseStatusMessages = statusMessages;
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return self.$container.dialog('close');
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};
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/**
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* Destroy the overlay.
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*/
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Drupal.overlay.destroy = function () {
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var self = this;
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self.$container.dialog('destroy').remove();
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self.$wrapper.remove();
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self.$wrapper = null;
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self.$dialog = null;
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self.$dialogTitlebar = null;
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self.$container = null;
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self.$iframe = null;
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self.$iframeWindow = null;
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self.$iframeDocument = null;
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self.$iframeBody = null;
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};
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/**
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* Redirect the overlay parent window to the given URL.
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*
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* @param link
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* Can be an absolute URL or a relative link to the domain root.
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*/
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Drupal.overlay.redirect = function (link) {
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if (link.indexOf('http') != 0 && link.indexOf('https') != 0) {
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var absolute = location.href.match(/https?:\/\/[^\/]*/)[0];
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link = absolute + link;
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}
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location.href = link;
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return true;
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};
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/**
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* Bind the child window.
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*
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* Add tabs on the overlay, keyboard actions and display animation.
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*/
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Drupal.overlay.bindChild = function (iframeWindow, isClosing) {
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var self = this;
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self.$iframeWindow = iframeWindow.jQuery;
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self.$iframeDocument = self.$iframeWindow(iframeWindow.document);
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self.$iframeBody = self.$iframeWindow('body');
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// We are done if the child window is closing.
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if (isClosing || self.isClosing || !self.isOpen) {
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return;
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}
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// Make sure the parent window URL matches the child window URL.
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self.syncChildLocation(iframeWindow.document.location);
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// Reset the scroll to the top of the window so that the overlay is visible again.
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window.scrollTo(0, 0);
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var iframeTitle = self.$iframeDocument.attr('title');
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// Update the dialog title with the child window title.
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self.$container.dialog('option', 'title', iframeTitle);
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self.$dialogTitlebar.find('.ui-dialog-title').focus();
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// Add a title attribute to the iframe for accessibility.
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self.$iframe.attr('title', Drupal.t('@title dialog', { '@title': iframeTitle }));
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// Remove any existing shortcut button markup in the title section.
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self.$dialogTitlebar.find('.add-or-remove-shortcuts').remove();
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// If the shortcut add/delete button exists, move it to the dialog title.
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var $addToShortcuts = self.$iframeWindow('.add-or-remove-shortcuts');
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if ($addToShortcuts.length) {
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// Make the link overlay-friendly.
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var $link = $('a', $addToShortcuts);
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$link.attr('href', Drupal.overlay.fragmentizeLink($link.get(0)));
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// Move the button markup to the title section. We need to copy markup
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// instead of moving the DOM element, because Webkit and IE browsers will
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// not move DOM elements between two DOM documents.
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var shortcutsMarkup = '<div class="' + $($addToShortcuts).attr('class') + '">' + $($addToShortcuts).html() + '</div>';
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self.$dialogTitlebar.find('.ui-dialog-title').after(shortcutsMarkup);
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self.$iframeWindow('.add-or-remove-shortcuts').remove();
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}
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// Remove any existing tabs in the title section.
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self.$dialogTitlebar.find('ul').remove();
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// If there are tabs in the page, move them to the titlebar.
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var $tabs = self.$iframeWindow('ul.primary');
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if ($tabs.length) {
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// Move the tabs markup to the title section. We need to copy markup
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// instead of moving the DOM element, because Webkit and IE browsers will
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// not move DOM elements between two DOM documents.
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$tabs = $(self.$iframeWindow('<div>').append($tabs.clone()).remove().html());
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self.$dialogTitlebar.append($tabs);
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if ($tabs.is('.primary')) {
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$tabs.find('a').removeClass('overlay-processed');
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Drupal.attachBehaviors($tabs);
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}
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// Remove any classes from the list element to avoid theme styles
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// clashing with our styling.
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$tabs.removeAttr('class');
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}
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// Try to enhance keyboard based navigation of the overlay.
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// Logic inspired by the open() method in ui.dialog.js, and
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// http://wiki.codetalks.org/wiki/index.php/Docs/Keyboard_navigable_JS_widgets
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// Get a reference to the close button.
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var $closeButton = self.$dialogTitlebar.find('.ui-dialog-titlebar-close');
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// Search tabbable elements on the iframed document to speed up related
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// keyboard events.
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// @todo: Do we need to provide a method to update these references when
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// AJAX requests update the DOM on the child document?
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var $iframeTabbables = self.$iframeWindow(':tabbable:not(form)');
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var $firstTabbable = $iframeTabbables.filter(':first');
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var $lastTabbable = $iframeTabbables.filter(':last');
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// Unbind keyboard event handlers that may have been enabled previously.
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$(document).unbind('keydown.overlay-event');
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$closeButton.unbind('keydown.overlay-event');
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// When the focus leaves the close button, then we want to jump to the
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// first/last inner tabbable element of the child window.
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$closeButton.bind('keydown.overlay-event', function (event) {
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if (event.keyCode && event.keyCode == $.ui.keyCode.TAB) {
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var $target = (event.shiftKey ? $lastTabbable : $firstTabbable);
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if (!$target.size()) {
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$target = self.$iframeDocument;
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}
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setTimeout(function () { $target.focus(); }, 10);
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return false;
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}
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});
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// When the focus leaves the child window, then drive the focus to the
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// close button of the dialog.
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self.$iframeDocument.bind('keydown.overlay-event', function (event) {
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if (event.keyCode) {
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if (event.keyCode == $.ui.keyCode.TAB) {
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if (event.shiftKey && event.target == $firstTabbable.get(0)) {
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setTimeout(function () { $closeButton.focus(); }, 10);
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return false;
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}
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else if (!event.shiftKey && event.target == $lastTabbable.get(0)) {
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setTimeout(function () { $closeButton.focus(); }, 10);
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return false;
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}
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}
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else if (event.keyCode == $.ui.keyCode.ESCAPE) {
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setTimeout(function () { self.close(); }, 10);
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return false;
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}
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}
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});
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// When the focus is captured by the parent document, then try
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// to drive the focus back to the first tabbable element, or the
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// close button of the dialog (default).
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$(document).bind('keydown.overlay-event', function (event) {
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if (event.keyCode && event.keyCode == $.ui.keyCode.TAB) {
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setTimeout(function () {
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if (!self.$iframeWindow(':tabbable:not(form):first').focus().size()) {
|
|
$closeButton.focus();
|
|
}
|
|
}, 10);
|
|
return false;
|
|
}
|
|
});
|
|
|
|
// Adjust overlay to fit the iframe content?
|
|
if (self.options.autoFit) {
|
|
self.innerResize();
|
|
|
|
var delayedResize = function() {
|
|
if (!self.isOpen) {
|
|
clearTimeout(self.resizeTimeoutID);
|
|
return;
|
|
}
|
|
|
|
self.innerResize();
|
|
iframeWindow.scrollTo(0, 0);
|
|
self.resizeTimeoutID = setTimeout(delayedResize, 150);
|
|
};
|
|
|
|
clearTimeout(self.resizeTimeoutID);
|
|
self.resizeTimeoutID = setTimeout(delayedResize, 150);
|
|
}
|
|
|
|
// Scroll to anchor in overlay. This needs to be done after delayedResize().
|
|
if (iframeWindow.document.location.hash) {
|
|
window.scrollTo(0, self.$iframeWindow(iframeWindow.document.location.hash).position().top);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Unbind the child window.
|
|
*
|
|
* Remove keyboard event handlers, reset title and hide the iframe.
|
|
*/
|
|
Drupal.overlay.unbindChild = function (iframeWindow) {
|
|
var self = this;
|
|
var $iframeDocument = iframeWindow.jQuery(iframeWindow.document);
|
|
|
|
// Prevent memory leaks by explicitly unbinding keyboard event handler
|
|
// on the child document.
|
|
$iframeDocument.unbind('keydown.overlay-event');
|
|
|
|
// Change the overlay title.
|
|
self.$container.dialog('option', 'title', Drupal.t('Please wait...'));
|
|
|
|
// Hide the iframe element.
|
|
self.$iframe.fadeOut('fast');
|
|
};
|
|
|
|
/**
|
|
* Check if the given link is in the administrative section of the site.
|
|
*
|
|
* @param url
|
|
* The url to be tested.
|
|
* @return boolean
|
|
* TRUE if the URL represents an administrative link, FALSE otherwise.
|
|
*/
|
|
Drupal.overlay.isAdminLink = function (url) {
|
|
var self = this;
|
|
// Create a native Link object, so we can use its object methods.
|
|
var link = $(url.link(url)).get(0);
|
|
var path = link.pathname;
|
|
// Ensure a leading slash on the path, omitted in some browsers.
|
|
if (path.substr(0, 1) != '/') {
|
|
path = '/' + path;
|
|
}
|
|
path = path.replace(new RegExp(Drupal.settings.basePath), '');
|
|
if (path == '') {
|
|
// If the path appears empty, it might mean the path is represented in the
|
|
// query string (clean URLs are not used).
|
|
var match = new RegExp("(\\?|&)q=(.+)(&|$)").exec(link.search);
|
|
if (match && match.length == 4) {
|
|
path = match[2];
|
|
}
|
|
}
|
|
|
|
// Turn the list of administrative paths into a regular expression.
|
|
if (!self.adminPathRegExp) {
|
|
var adminPaths = '^(' + Drupal.settings.overlay.paths.admin.replace(/\s+/g, ')$|^(') + ')$';
|
|
var nonAdminPaths = '^(' + Drupal.settings.overlay.paths.non_admin.replace(/\s+/g, ')$|^(') + ')$';
|
|
adminPaths = adminPaths.replace(/\*/g, '.*');
|
|
nonAdminPaths = nonAdminPaths.replace(/\*/g, '.*');
|
|
self.adminPathRegExp = new RegExp(adminPaths);
|
|
self.nonAdminPathRegExp = new RegExp(nonAdminPaths);
|
|
}
|
|
|
|
return self.adminPathRegExp.exec(path) && !self.nonAdminPathRegExp.exec(path);
|
|
};
|
|
|
|
/**
|
|
* Resize overlay according to the size of its content.
|
|
*
|
|
* @todo: Watch for experience in the way we compute the size of the iframed
|
|
* document. There are many ways to do it, and none of them seem to be perfect.
|
|
* Note, though, that the size of the iframe itself may affect the size of the
|
|
* child document, especially on fluid layouts.
|
|
*/
|
|
Drupal.overlay.innerResize = function () {
|
|
var self = Drupal.overlay;
|
|
// Proceed only if the dialog still exists.
|
|
if (!(self.isOpen || self.isOpening) || self.isClosing) {
|
|
return;
|
|
}
|
|
|
|
var height;
|
|
// Only set height when iframe content is loaded.
|
|
if ($.isObject(self.$iframeBody)) {
|
|
height = self.$iframeBody.outerHeight() + 25;
|
|
|
|
// Only resize when height actually is changed.
|
|
if (height != self.lastHeight) {
|
|
|
|
// Resize the container.
|
|
self.$container.height(height);
|
|
// Keep the dim background grow or shrink with the dialog.
|
|
$.ui.dialog.overlay.resize();
|
|
}
|
|
self.lastHeight = height;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Resize overlay according to the size of the parent window.
|
|
*/
|
|
Drupal.overlay.outerResize = function () {
|
|
var self = Drupal.overlay;
|
|
// Proceed only if the dialog still exists.
|
|
if (!(self.isOpen || self.isOpening) || self.isClosing) {
|
|
return;
|
|
}
|
|
|
|
// Consider any region that should be visible above the overlay (such as
|
|
// an admin toolbar).
|
|
var $displaceTop = $('.overlay-displace-top');
|
|
var displaceTopHeight = 0;
|
|
$displaceTop.each(function () {
|
|
displaceTopHeight += $(this).height();
|
|
});
|
|
|
|
self.$wrapper.css('top', displaceTopHeight);
|
|
|
|
// When the overlay has no height yet, make it fit exactly in the window,
|
|
// or the configured height when autoFit is disabled.
|
|
if (!self.lastHeight) {
|
|
var titleBarHeight = self.$dialogTitlebar.outerHeight(true);
|
|
|
|
if (self.options.autoFit || self.options.height == undefined ||!isNan(self.options.height)) {
|
|
self.lastHeight = parseInt($(window).height() - displaceTopHeight - titleBarHeight - 45);
|
|
}
|
|
else {
|
|
self.lastHeight = self.options.height;
|
|
}
|
|
|
|
self.$container.height(self.lastHeight);
|
|
}
|
|
|
|
if (self.options.autoFit) {
|
|
self.innerResize();
|
|
}
|
|
|
|
// Make the dim background grow or shrink with the dialog.
|
|
$.ui.dialog.overlay.resize();
|
|
};
|
|
|
|
/**
|
|
* Add overlay rendering GET parameter to the given href.
|
|
*/
|
|
Drupal.overlay.addOverlayParam = function (href) {
|
|
return $.param.querystring(href, {'render': 'overlay'});
|
|
// Do not process links with an empty href, or that only have the fragment or
|
|
// which are external links.
|
|
if (href.length > 0 && href.charAt(0) != '#' && href.indexOf('http') != 0 && href.indexOf('https') != 0) {
|
|
var fragmentIndex = href.indexOf('#');
|
|
var fragment = '';
|
|
if (fragmentIndex != -1) {
|
|
fragment = href.substr(fragmentIndex);
|
|
href = href.substr(0, fragmentIndex);
|
|
}
|
|
href += (href.indexOf('?') > -1 ? '&' : '?') + 'render=overlay' + fragment;
|
|
}
|
|
return href;
|
|
};
|
|
|
|
/**
|
|
* Open, reload, or close the overlay, based on the current URL fragment.
|
|
*/
|
|
Drupal.overlay.trigger = function () {
|
|
// Get the overlay URL from the current URL fragment.
|
|
var state = $.bbq.getState('overlay');
|
|
if (state) {
|
|
// Append render variable, so the server side can choose the right
|
|
// rendering and add child modal frame code to the page if needed.
|
|
var linkURL = Drupal.overlay.addOverlayParam(Drupal.settings.basePath + state);
|
|
|
|
// If the modal frame is already open, replace the loaded document with
|
|
// this new one.
|
|
if (Drupal.overlay.isOpen) {
|
|
Drupal.overlay.load(linkURL);
|
|
}
|
|
else {
|
|
// There is not an overlay opened yet; we should open a new one.
|
|
var overlayOptions = {
|
|
url: linkURL,
|
|
onOverlayClose: function () {
|
|
// Clear the overlay URL fragment.
|
|
$.bbq.pushState();
|
|
// Remove active class from all header buttons.
|
|
$('a.overlay-processed').each(function () {
|
|
$(this).removeClass('active');
|
|
});
|
|
}
|
|
};
|
|
Drupal.overlay.open(overlayOptions);
|
|
}
|
|
}
|
|
// If there is no overlay URL in the fragment and the overlay is (still)
|
|
// open, close the overlay.
|
|
else if (Drupal.overlay.isOpen && !Drupal.overlay.isClosing) {
|
|
Drupal.overlay.close();
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Make a regular admin link into a URL that will trigger the overlay to open.
|
|
*
|
|
* @param link
|
|
* A Javascript Link object (i.e. an <a> element).
|
|
* @return
|
|
* A URL that will trigger the overlay (in the form
|
|
* /node/1#overlay=admin/config).
|
|
*/
|
|
Drupal.overlay.fragmentizeLink = function (link) {
|
|
// Don't operate on links that are already overlay-ready.
|
|
var params = $.deparam.fragment(link.href);
|
|
if (params.overlay) {
|
|
return link.href;
|
|
}
|
|
|
|
// Determine the link's original destination, and make it relative to the
|
|
// Drupal site.
|
|
var path = link.pathname;
|
|
// Ensure a leading slash on the path, omitted in some browsers.
|
|
if (path.substr(0, 1) != '/') {
|
|
path = '/' + path;
|
|
}
|
|
path = path.replace(new RegExp(Drupal.settings.basePath), '');
|
|
// Preserve existing query and fragment parameters in the URL.
|
|
var fragment = link.hash;
|
|
var querystring = link.search;
|
|
// If the query includes ?render=overlay, leave it out.
|
|
if (querystring.indexOf('render=overlay') !== -1) {
|
|
querystring = querystring.replace(/render=overlay/, '');
|
|
if (querystring === '?') {
|
|
querystring = '';
|
|
}
|
|
}
|
|
|
|
var destination = path + querystring + fragment;
|
|
|
|
// Assemble the overlay-ready link.
|
|
var base = window.location.href;
|
|
return $.param.fragment(base, {'overlay':destination});
|
|
};
|
|
|
|
/**
|
|
* Make sure the internal overlay URL is reflected in the parent URL fragment.
|
|
*
|
|
* Normally the parent URL fragment determines the overlay location. However, if
|
|
* the overlay redirects internally, the parent doesn't get informed, and the
|
|
* parent URL fragment will be out of date. This is a sanity check to make
|
|
* sure we're in the right place.
|
|
*
|
|
* @param childLocation
|
|
* The child window's location object.
|
|
*/
|
|
Drupal.overlay.syncChildLocation = function (childLocation) {
|
|
var expected = $.bbq.getState('overlay');
|
|
// This is just a sanity check, so we're comparing paths, not query strings.
|
|
expected = Drupal.settings.basePath + expected.replace(/\?.+/, '');
|
|
var actual = childLocation.pathname;
|
|
if (expected !== actual) {
|
|
// There may have been a redirect inside the child overlay window that the
|
|
// parent wasn't aware of. Update the parent URL fragment appropriately.
|
|
var newLocation = Drupal.overlay.fragmentizeLink(childLocation);
|
|
// Set a 'redirect' flag on the new location so the hashchange event handler
|
|
// knows not to change the overlay's content.
|
|
$.data(window.location, newLocation, 'redirect');
|
|
window.location.href = newLocation;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Refresh any regions of the page that are displayed outside the overlay.
|
|
*
|
|
* @param data
|
|
* An array of objects with information on the page regions to be refreshed.
|
|
* For each object, the key is a CSS class identifying the region to be
|
|
* refreshed, and the value represents the section of the Drupal $page array
|
|
* corresponding to this region.
|
|
*/
|
|
Drupal.overlay.refreshRegions = function (data) {
|
|
$.each(data, function () {
|
|
var region_info = this;
|
|
$.each(region_info, function (regionClass) {
|
|
var regionName = region_info[regionClass];
|
|
var regionSelector = '.' + regionClass;
|
|
$.get(Drupal.settings.basePath + Drupal.settings.overlay.ajaxCallback + '/' + regionName, function (newElement) {
|
|
$(regionSelector).replaceWith($(newElement));
|
|
Drupal.attachBehaviors($(regionSelector), Drupal.settings);
|
|
});
|
|
});
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Theme function to create the overlay iframe element.
|
|
*/
|
|
Drupal.theme.prototype.overlayElement = function () {
|
|
return '<iframe id="overlay-element" frameborder="0" name="overlay-element" scrolling="no" allowtransparency="true"/>';
|
|
};
|
|
|
|
/**
|
|
* Theme function to create a container for the overlay iframe element.
|
|
*/
|
|
Drupal.theme.prototype.overlayContainer = function () {
|
|
return '<div id="overlay-container"/>';
|
|
};
|
|
|
|
/**
|
|
* Theme function for the overlay title markup.
|
|
*/
|
|
Drupal.theme.prototype.overlayTitleHeader = function (text) {
|
|
return '<h1 id="ui-dialog-title-overlay-container" class="ui-dialog-title" tabindex="-1" unselectable="on">' + text + '</h1>';
|
|
};
|
|
|
|
/**
|
|
* Theme function to create a wrapper for the jquery UI dialog.
|
|
*/
|
|
Drupal.theme.prototype.overlayWrapper = function () {
|
|
return '<div id="overlay-wrapper"/>';
|
|
};
|
|
|
|
})(jQuery);
|