silverstripe-widgets/javascript/WidgetAreaEditor.js

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JavaScript
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(function($) {
$.entwine('ss', function($) {
$('.WidgetAreaEditor').entwine({
onmatch: function() {
var parentName=$(this).attr('name');
this.rewriteWidgetAreaAttributes();
var availableWidgets=$('#availableWidgets-'+$(this).attr('name')).children().each(function() {
// Don't run on comments, whitespace, etc
if($(this)[0].nodeType==1) {
// Gotta change their ID's because otherwise we get clashes between two tabs
$(this)[0].id=$(this)[0].id+'-'+parentName;
}
});
var parentRef=$(this);
// Used widgets are sortable
$(this).find('.usedWidgets').sortable({
opacity: 0.6,
handle: '.handle',
update: function(e, ui) {parentRef.updateWidgets(e, ui)},
placeholder: 'ui-state-highlight',
forcePlaceholderSize: true
});
// Figure out maxid, this is used when creating new widgets
$(this).data('maxid', 0);
var usedWidgets = $(this).find('.usedWidgets .Widget');
usedWidgets.each(function() {
var widget = $(this)[0];
if(widget.id) {
widgetid = widget.id.match(/Widget\[(.+?)\]\[([0-9]+)\]/i);
if(widgetid && parseInt(widgetid[2]) > parseInt(parentRef.data('maxid'))) {
parentRef.data('maxid', parseInt(widgetid[2]));
}
}
});
// Ensure correct sort values are written when page is saved
// TODO Adjust to new event listeners
$('.cms-container').bind('submitform', this.beforeSave);
},
rewriteWidgetAreaAttributes: function() {
var name = $(this).attr('name');
var monkeyWith = function(widgets, name) {
if (!widgets) {
return;
}
widgets.each(function() {
widget=$(this)[0];
if (!widget.rewritten && (widget.id || widget.name)) {
if (widget.id && widget.id.indexOf('Widget[') === 0) {
var newValue = widget.id.replace(/Widget\[/, 'Widget['+name+'][');
//console.log('Renaming '+widget.tagName+' ID '+widget.id+' to '+newValue);
widget.id = newValue;
}
if (widget.name && widget.name.indexOf('Widget[') === 0) {
var newValue = widget.name.replace(/Widget\[/, 'Widget['+name+'][');
//console.log('Renaming '+widget.tagName+' Name '+widget.name+' to '+newValue);
widget.name=newValue;
}
widget.rewritten='yes';
}else {
//console.log('Skipping '+(widget.id ? widget.id : (widget.name ? widget.name : 'unknown '+widget.tagName)));
}
});
}
monkeyWith($('#WidgetAreaEditor-'+name+' .Widget'), name);
monkeyWith($('#WidgetAreaEditor-'+name+' .Widget *'), name);
},
beforeSave: function() {
// Ensure correct sort values are written when page is saved
var usedWidgets = $('#usedWidgets-'+$(this).attr('name'));
if(usedWidgets) {
this.sortWidgets();
var children=usedWidgets.children();
children.each(function() {
if($(this).beforeSave) {
$(this).beforeSave();
}
});
}
},
addWidget: function(className, holder) {
if($('#WidgetAreaEditor-'+holder).attr('maxwidgets')) {
var maxCount = $('#WidgetAreaEditor-'+holder).attr('maxwidgets');
var count = $('#usedWidgets-'+holder+' .Widget').length;
if (count+1 > maxCount) {
alert(ss.i18n._t('WidgetAreaEditor.TOOMANY'));
return;
}
}
var parentRef=$(this);
$.ajax({
'url': 'WidgetController/EditableSegment/' + className,
'success' : function(response) {parentRef.insertWidgetEditor(response)}
});
},
updateWidgets: function(e, ui) {
// Gotta get the name of the current dohickey based off the ID
var name = $(this).attr('id').split('-').pop();
var i=0;
var usedWidgets = $('#usedWidgets-'+name).children().each(function() {
var widget = $(this)[0];
if(widget.id) {
$(this).find('input[name='+widget.id.replace(/\]/g,'\\]').replace(/\[/g,'\\[')+'\\[Sort\\]]').val(i);
i++;
}
});
},
insertWidgetEditor: function(response) {
var usedWidgets = $('#usedWidgets-'+$(this).attr('name')).children();
// Give the widget a unique id
var newID=parseInt($(this).data('maxid'))+1;
$(this).data('maxid', newID);
var widgetContent = response.replace(/Widget\[0\]/gi, "Widget[new-" + (newID) + "]");
$('#usedWidgets-'+$(this).attr('name')).append(widgetContent);
this.rewriteWidgetAreaAttributes();
},
sortWidgets: function() {
// Order the sort by the order the widgets are in the list
$('#usedWidgets-'+$(this).attr('name')).children().each(function() {
var div = $(this)[0];
if(div.nodeName != '#comment') {
var fields = div.getElementsByTagName('input');
for(j = 0; field = fields.item(j); j++) {
if(field.name == div.id + '[Sort]') {
field.value = i;
}
}
}
});
},
deleteWidget: function(widgetToRemove) {
// Remove a widget from the used widgets column
widgetToRemove.remove();
}
});
$('div.availableWidgets .Widget h3').entwine({
onclick: function(event) {
parts = $(this).parent().attr('id').split('-');
var widgetArea = parts.pop();
var className = parts.pop();
$('#WidgetAreaEditor-'+widgetArea).addWidget(className, widgetArea);
}
});
$('div.usedWidgets div.Widget').entwine({
onmatch: function() {
// Call deleteWidget when delete button is pushed
$(this).find('span.widgetDelete').click(function() {
$(this).closest('.WidgetAreaEditor').deleteWidget($(this).parent().parent());
});
}
});
})
})(jQuery);