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elgg.provide('elgg.ui.widgets');
/**
* Widgets initialization
*
* @return void
*/
elgg.ui.widgets.init = function() {
$(".widget_column").sortable({
items: 'div.widget',
connectWith: '.widget_column',
handle: 'div.drag_handle',
forcePlaceholderSize: true,
placeholder: 'widget_placeholder',
//containment: '.widget_layout',
opacity: 0.8,
revert: 500,
stop: function(event, ui) {
elgg.action('widgets/move', {
data: {
// widget_<guid>
guid: ui.item.attr('id').substring(7),
// widget_col_<column>
column: ui.item.parent().attr('id').substring(11),
position: ui.item.index()
}
});
}
});
$('#widget_add_button a').bind('click', function(event) {
$('.widgets_add_panel').slideToggle('medium');
event.preventDefault();
});
$('.widgets_add_panel a').bind('click', function(event) {
elgg.action('widgets/add', {
data: {
handler: $(this).attr('id'),
user: elgg.get_loggedin_userid(),
context: $("input[name='widget_context']").val()
},
success: function(json) {
elgg.ui.widgets.insert(json.output);
}
});
event.preventDefault();
});
$('a.widget_delete_button').bind('click', elgg.ui.widgets.remove);
$('a.widget_edit_button').bind('click', elgg.ui.widgets.editToggle);
$('.widget_edit > form ').bind('submit', elgg.ui.widgets.saveSettings);
elgg.ui.widgets.equalHeight(".widget_column");
};
/**
* Insert a new widget into the layout
*
* This always inserts the widget at the top of the first column.
*
* @param {String} html The HTML of the widget
* @return void
*/
elgg.ui.widgets.insert = function(html) {
$('#widget_col_1').prepend(html);
$('#widget_col_1').children(":first").find('a.widget_delete_button').bind('click', elgg.ui.widgets.remove);
$('#widget_col_1').children(":first").find('a.widget_edit_button').bind('click', elgg.ui.widgets.editToggle);
}
/**
* 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) {
$(this).parent().parent().parent().parent().remove();
elgg.action('widgets/delete', {
data: {
// widget_delete_button_<guid>
guid: $(this).attr('id').substring(21)
}
});
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().parent().parent().find('.widget_edit').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');
$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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