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/**
* @file
* Attaches behaviors for the Dashboard module.
*/
(function ($) {
/**
* Implements Drupal.behaviors for the Dashboard module.
*/
Drupal.behaviors.dashboard = {
attach: function (context, settings) {
$('#dashboard', context).once(function () {
$(this).prepend('<div class="customize clearfix"><ul class="action-links"><li><a href="#">' + Drupal.t('Customize dashboard') + '</a></li></ul><div class="canvas"></div></div>');
$('.customize .action-links a', this).click(Drupal.behaviors.dashboard.enterCustomizeMode);
});
Drupal.behaviors.dashboard.addPlaceholders();
if (Drupal.settings.dashboard.launchCustomize) {
Drupal.behaviors.dashboard.enterCustomizeMode();
}
},
addPlaceholders: function() {
$('#dashboard .dashboard-region .region').each(function () {
var empty_text = "";
// If the region is empty
if ($('.block', this).length == 0) {
// Check if we are in customize mode and grab the correct empty text
if ($('#dashboard').hasClass('customize-mode')) {
empty_text = Drupal.settings.dashboard.emptyRegionTextActive;
} else {
empty_text = Drupal.settings.dashboard.emptyRegionTextInactive;
}
// We need a placeholder.
if ($('.dashboard-placeholder', this).length == 0) {
$(this).append('<div class="dashboard-placeholder"></div>');
}
$('.dashboard-placeholder', this).html(empty_text);
}
else {
$('.dashboard-placeholder', this).remove();
}
});
},
/**
* Enters "customize" mode by displaying disabled blocks.
*/
enterCustomizeMode: function () {
$('#dashboard').addClass('customize-mode customize-inactive');
Drupal.behaviors.dashboard.addPlaceholders();
// Hide the customize link
$('#dashboard .customize .action-links').hide();
// Load up the disabled blocks
$('div.customize .canvas').load(Drupal.settings.dashboard.drawer, Drupal.behaviors.dashboard.setupDrawer);
},
/**
* Exits "customize" mode by simply forcing a page refresh.
*/
exitCustomizeMode: function () {
$('#dashboard').removeClass('customize-mode customize-inactive');
Drupal.behaviors.dashboard.addPlaceholders();
location.href = Drupal.settings.dashboard.dashboard;
},
/**
* Sets up the drag-and-drop behavior and the 'close' button.
*/
setupDrawer: function () {
$('div.customize .canvas-content input').click(Drupal.behaviors.dashboard.exitCustomizeMode);
$('div.customize .canvas-content').append('<a class="button" href="' + Drupal.settings.dashboard.dashboard + '">' + Drupal.t('Done') + '</a>');
// 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',
placeholder: 'block-placeholder clearfix',
tolerance: 'pointer',
start: Drupal.behaviors.dashboard.start,
over: Drupal.behaviors.dashboard.over,
sort: Drupal.behaviors.dashboard.sort,
update: Drupal.behaviors.dashboard.update
});
},
/**
* Makes the block appear as a disabled block while dragging.
*
* 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) {
$('#dashboard').removeClass('customize-inactive');
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'});
}
},
/**
* Adapts block's width to the region it is moved into while dragging.
*
* This function is called on the jQuery UI Sortable "over" event.
*
* @param event
* The event that triggered this callback.
* @param ui
* An object containing information about the item that is being dragged.
*/
over: function (event, ui) {
var item = $(ui.item);
// If the block is in disabled state, remove width.
if ($(this).closest('#disabled-blocks').length) {
item.css('width', '');
}
else {
item.css('width', $(this).width());
}
},
/**
* Adapts a block's position to stay connected with the mouse pointer.
*
* This function is called on the jQuery UI Sortable "sort" event.
*
* @param event
* The event that triggered this callback.
* @param ui
* An object containing information about the item that is being dragged.
*/
sort: function (event, ui) {
var item = $(ui.item);
if (event.pageX > ui.offset.left + item.width()) {
item.css('left', event.pageX);
}
},
/**
* Sends 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) {
$('#dashboard').addClass('customize-inactive');
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) {
if (block) {
item.html(block);
}
if (item.find('div.content').is(':empty')) {
item.find('div.content').html(Drupal.settings.dashboard.emptyBlockText);
}
Drupal.attachBehaviors(item);
},
'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
}
);
},
/**
* Returns the current order of the blocks in each of the sortable regions.
*
* @return
* The current order of the blocks, 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');
$.each(blocks, function() {
order.push(region + '[]=' + this);
});
});
order = order.join('&');
return order;
}
};
})(jQuery);
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