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// $Id$
(function ($) {
/**
* Implementation of Drupal.behaviors for dashboard.
*/
Drupal.behaviors.dashboard = {
attach: function () {
$('#dashboard').prepend('<div class="customize"><ul class="action-links"><a href="#">' + Drupal.t('Customize') + '</a></ul><div class="canvas"></div></div>');
$('#dashboard .customize .action-links a').click(Drupal.behaviors.dashboard.enterCustomizeMode);
if ($('#dashboard .region .block').length == 0) {
Drupal.settings.dashboard.launchCustomize = true;
}
Drupal.behaviors.dashboard.addPlaceholders();
if (Drupal.settings.dashboard.launchCustomize) {
Drupal.behaviors.dashboard.enterCustomizeMode();
}
},
addPlaceholders: function() {
$('#dashboard .dashboard-region .region').each(function () {
var empty_text = "";
if ($('.block', this).length == 0) {
// We need a placeholder.
if ($('#dashboard').hasClass('customize_mode')) {
empty_text = Drupal.settings.dashboard.emptyRegionTextActive;
} else {
empty_text = Drupal.settings.dashboard.emptyRegionTextInactive;
}
if ($('.placeholder', this).length == 0) {
$(this).append('<div class="placeholder"></div>');
}
$('.placeholder', this).html(empty_text);
}
else {
$('.placeholder', this).remove();
}
});
},
/**
* Enter "customize" mode by displaying disabled blocks.
*/
enterCustomizeMode: function () {
$('#dashboard').addClass('customize_mode');
Drupal.behaviors.dashboard.addPlaceholders();
$('#dashboard .customize .action-links').hide();
$('div.customize .canvas').load(Drupal.settings.dashboard.drawer, Drupal.behaviors.dashboard.setupDrawer);
},
/**
* Exit "customize" mode by simply forcing a page refresh.
*/
exitCustomizeMode: function () {
$('#dashboard').removeClass('customize_mode');
Drupal.behaviors.dashboard.addPlaceholders();
location.href = Drupal.settings.dashboard.dashboard;
},
/**
* Helper for enterCustomizeMode; sets up drag-and-drop and close button.
*/
setupDrawer: function () {
$('div.customize .canvas-content').prepend('<input type="button" class="form-submit" value="' + Drupal.t('Done') + '"></input>');
$('div.customize .canvas-content input').click(Drupal.behaviors.dashboard.exitCustomizeMode);
// Initialize drag-and-drop.
var regions = $('#dashboard div.region');
regions.sortable({
connectWith: regions,
cursor: 'move',
cursorAt: {top:0},
dropOnEmpty: true,
items: '>div.block, div.disabled-block',
opacity: 0.8,
helper: 'block-dragging',
placeholder: 'block-placeholder clearfix',
start: Drupal.behaviors.dashboard.start,
update: Drupal.behaviors.dashboard.update
});
},
/**
* While dragging, make the block appear as a disabled block
*
* This function is called on the jQuery UI Sortable "start" event.
*
* @param event
* The event that triggered this callback.
* @param ui
* An object containing information about the item that is being dragged.
*/
start: function (event, ui) {
var item = $(ui.item);
// If the block is already in disabled state, don't do anything.
if (!item.hasClass('disabled-block')) {
item.css({height: 'auto'});
}
},
/**
* Send block order to the server, and expand previously disabled blocks.
*
* This function is called on the jQuery UI Sortable "update" event.
*
* @param event
* The event that triggered this callback.
* @param ui
* An object containing information about the item that was just dropped.
*/
update: function (event, ui) {
var item = $(ui.item);
// If the user dragged a disabled block, load the block contents.
if (item.hasClass('disabled-block')) {
var module, delta, itemClass;
itemClass = item.attr('class');
// Determine the block module and delta.
module = itemClass.match(/\bmodule-(\S+)\b/)[1];
delta = itemClass.match(/\bdelta-(\S+)\b/)[1];
// Load the newly enabled block's content.
$.get(Drupal.settings.dashboard.blockContent + '/' + module + '/' + delta, {},
function (block) {
var blockContent = "";
if (block) {
blockContent = $("div.content", $(block));
}
if (!blockContent) {
blockContent = $('<div class="content">' + Drupal.settings.dashboard.emptyBlockText + '</div>');
}
$("div.content", item).after(blockContent).remove();
},
'html'
);
// Remove the "disabled-block" class, so we don't reload its content the
// next time it's dragged.
item.removeClass("disabled-block");
}
Drupal.behaviors.dashboard.addPlaceholders();
// Let the server know what the new block order is.
$.post(Drupal.settings.dashboard.updatePath, {
'form_token': Drupal.settings.dashboard.formToken,
'regions': Drupal.behaviors.dashboard.getOrder
}
);
},
/**
* Return the current order of the blocks in each of the sortable regions,
* in query string format.
*/
getOrder: function () {
var order = [];
$('#dashboard div.region').each(function () {
var region = $(this).parent().attr('id').replace(/-/g, '_');
var blocks = $(this).sortable('toArray');
var i;
for (i = 0; i < blocks.length; i++) {
order.push(region + '[]=' + blocks[i]);
}
});
order = order.join('&');
return order;
}
};
})(jQuery);
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