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elgg.provide('elgg.ui.widgets');
/**
* Widgets initialization
*
* @return void
*/
elgg.ui.widgets.init = function() {
// widget layout?
if ($(".widget-column").length == 0) {
return;
}
$(".widget-column").sortable({
items: 'div.widget',
connectWith: '.widget-column',
handle: 'div.drag-handle',
forcePlaceholderSize: true,
placeholder: 'widget-placeholder',
opacity: 0.8,
revert: 500,
stop: elgg.ui.widgets.move
});
$('#widget-add-button a').bind('click', function(event) {
$('.widgets-add-panel').slideToggle('medium');
event.preventDefault();
});
$('.widgets-add-panel li.widget-available').click(elgg.ui.widgets.add);
$('a.widget-delete-button').click(elgg.ui.widgets.remove);
$('a.widget-edit-button').click(elgg.ui.widgets.editToggle);
$('.widget-edit > form ').submit(elgg.ui.widgets.saveSettings);
$('a.widget-collapse-button').click(elgg.ui.widgets.collapseToggle);
elgg.ui.widgets.equalHeight(".widget-column");
};
/**
* Adds a new widget
*
* Makes Ajax call to persist new widget and inserts the widget html
*
* @param {Object} event
* @return void
*/
elgg.ui.widgets.add = function(event) {
// widget-type-<type>
var type = $(this).attr('id');
type = type.substr(type.indexOf('widget-type-') + "widget-type-".length);
// if multiple instances not allow, disable this widget type add button
var multiple = $(this).attr('class').indexOf('widget-multiple') != -1;
if (multiple == false) {
$(this).addClass('widget-unavailable');
$(this).removeClass('widget-available');
$(this).unbind('click', elgg.ui.widgets.add);
}
elgg.action('widgets/add', {
data: {
handler: type,
user_guid: elgg.get_loggedin_userid(),
context: $("input[name='widget-context']").val()
},
success: function(json) {
$('#widget-col-1').prepend(json.output);
var $widget = $('#widget-col-1').children(":first");
$widget.find('a.widget-delete-button').click(elgg.ui.widgets.remove);
$widget.find('a.widget-edit-button').click(elgg.ui.widgets.editToggle);
$widget.find('a.widget-collapse-button').click(elgg.ui.widgets.collapseToggle);
$widget.find('.widget-edit > form ').submit(elgg.ui.widgets.saveSettings);
}
});
event.preventDefault();
}
/**
* Persist the widget's new position
*
* @param {Object} event
* @param {Object} ui
*
* @return void
*/
elgg.ui.widgets.move = function(event, ui) {
// widget-<guid>
var guidString = ui.item.attr('id');
guidString = guidString.substr(guidString.indexOf('widget-') + "widget-".length);
// widget-col-<column>
var col = ui.item.parent().attr('id');
col = col.substr(col.indexOf('widget-col-') + "widget-col-".length);
elgg.action('widgets/move', {
data: {
guid: guidString,
column: col,
position: ui.item.index()
}
});
// @hack fixes jquery-ui/opera bug where draggable elements jump
ui.item.css('top', 0);
ui.item.css('left', 0);
}
/**
* Removes a widget from the layout
*
* Event callback the uses Ajax to delete the widget and removes its HTML
*
* @param {Object} event
* @return void
*/
elgg.ui.widgets.remove = function(event) {
var $widget = $(this).parent().parent();
// if widget type is single instance type, enable the add buton
var type = $widget.attr('class');
// widget-instance-<type>
type = type.substr(type.indexOf('widget-instance-') + "widget-instance-".length);
$button = $('#widget-type-' + type);
var multiple = $button.attr('class').indexOf('widget-multiple') != -1;
if (multiple == false) {
$button.addClass('widget-available');
$button.removeClass('widget-unavailable');
$button.unbind('click', elgg.ui.widgets.add); // make sure we don't bind twice
$button.click(elgg.ui.widgets.add);
}
$widget.remove();
// widget-delete-button-<guid>
var id = $(this).attr('id');
id = id.substr(id.indexOf('widget-delete-button-') + "widget-delete-button-".length);
elgg.action('widgets/delete', {
data: {
guid: id
}
});
event.preventDefault();
}
/**
* Toggle the edit panel of a widget
*
* Yes, I'm quite bad at selectors.
*
* @param {Object} event
* @return void
*/
elgg.ui.widgets.editToggle = function(event) {
$(this).parent().parent().find('.widget-edit').slideToggle('medium');
event.preventDefault();
}
/**
* Toogle the collapse state of the widget
*
* @param {Object} event
* @return void
*/
elgg.ui.widgets.collapseToggle = function(event) {
$(this).toggleClass('widget-collapsed');
$(this).parent().parent().find('.widget-container').slideToggle('medium');
event.preventDefault();
}
/**
* Save a widget's settings
*
* Uses Ajax to save the settings and updates the HTML.
*
* @param {Object} event
* @return void
*/
elgg.ui.widgets.saveSettings = function(event) {
$(this).parent().slideToggle('medium');
var $widgetContent = $(this).parent().parent().children('.widget-content');
// @todo - change to ajax loader
$widgetContent.html('loading');
elgg.action('widgets/save', {
data: $(this).serialize(),
success: function(json) {
$widgetContent.html(json.output);
}
});
event.preventDefault();
}
/**
* Make all elements have the same min-height
*
* This addresses the issue of trying to drag a widget into a column that does
* not have any widgets.
*
* @param {String} selector
* @return void
*/
elgg.ui.widgets.equalHeight = function(selector) {
var maxHeight = 0;
$(selector).each(function() {
if ($(this).height() > maxHeight) {
maxHeight = $(this).height();
}
})
$(selector).css('min-height', maxHeight);
}
elgg.register_event_handler('init', 'system', elgg.ui.widgets.init);
// @todo look into removing the below functions - maybe a compatibility plugin
//List active widgets for each page column
elgg.ui.widgets.outputList = function(forElement) {
return $("input[name='handler'], input[name='guid']", forElement).makeDelimitedList("value");
};
//Read each widgets collapsed/expanded state from cookie and apply
elgg.ui.widgets.state = function(forWidget) {
var thisWidgetState = elgg.session.cookie(forWidget);
if (thisWidgetState === 'collapsed') {
forWidget = "#" + forWidget;
$(forWidget).find("div.collapsable_box_content").hide();
$(forWidget).find("a.toggle_box_contents").html('+');
$(forWidget).find("a.toggle_box_edit_panel").fadeOut('medium');
}
};
//More info tooltip in widget gallery edit panel
elgg.ui.widgets.moreinfo = function() {
$("img.more_info").hover(function(e) {
var widgetdescription = $("input[name='description']", this.parentNode.parentNode.parentNode).val();
$("body").append("<p id='widget_moreinfo'><b>" + widgetdescription + " </b></p>");
if (e.pageX < 900) {
$("#widget_moreinfo")
.css("top", (e.pageY + 10) + "px")
.css("left", (e.pageX + 10) + "px")
.fadeIn("medium");
} else {
$("#widget_moreinfo")
.css("top", (e.pageY + 10) + "px")
.css("left", (e.pageX - 210) + "px")
.fadeIn("medium");
}
}, function() {
$("#widget_moreinfo").remove();
});
};
//Toggle widgets contents and save to a cookie
elgg.ui.widgets.toggleContent = function(e) {
var thisWidgetName,
targetContent = $('div.collapsable_box_content', this.parentNode.parentNode);
if (targetContent.css('display') === 'none') {
targetContent.slideDown(400);
$(this).html('-');
$(this.parentNode).children(".toggle_box_edit_panel").fadeIn('medium');
// set cookie for widget panel open-state
thisWidgetName = $(this.parentNode.parentNode.parentNode).attr('id');
elgg.session.cookie(thisWidgetName, 'expanded', {expires: 365});
} else {
targetContent.slideUp(400);
$(this).html('+');
$(this.parentNode).children(".toggle_box_edit_panel").fadeOut('medium');
// make sure edit pane is closed
$(this.parentNode.parentNode).children(".collapsable_box_editpanel").hide();
// set cookie for widget panel closed-state
thisWidgetName = $(this.parentNode.parentNode.parentNode).attr('id');
elgg.session.cookie(thisWidgetName, 'collapsed', {expires: 365});
}
return false;
};
/**
* @deprecated Use elgg.ui.widgets.*
*/
var toggleContent = elgg.ui.widgets.toggleContent,
widget_moreinfo = elgg.ui.widgets.moreinfo,
widget_state = elgg.ui.widgets.state,
outputWidgetList = elgg.ui.widgets.outputList;
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