silverstripe-cms/javascript/SiteTreeURLSegmentField.js

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(function($) {
$.entwine('ss', function($) {
/**
* Class: .field.urlsegment
*
* Input validation on the URLSegment field
*/
$('.field.urlsegment').entwine({
/**
* Constructor: onmatch
*/
onmatch : function() {
this._addActions(); // add elements and actions for editing
this.edit(); // toggle
this._autoInputWidth(); // set width of input field
this._super();
},
onunmatch: function() {
this._super();
},
/**
* Function: edit
*
* Toggles the edit state of the field
*
* Return URLSegemnt val()
*
* Parameters:
* (Bool) auto (optional, triggers a second toggle)
*/
edit: function(auto) {
var field = this.find(':text'),
holder = this.find('.preview'),
edit = this.find('.edit'),
update = this.find('.update'),
cancel = this.find('.cancel'),
help = this.find('.help');
// transfer current value to holder
holder.text(field.val());
// toggle elements
if (field.is(':visible')) {
update.hide();
cancel.hide();
field.hide();
holder.show();
edit.show();
help.hide();
} else {
edit.hide();
holder.hide();
field.show();
update.show();
cancel.show();
help.show();
}
// field updated from another fields value
// reset to original state
if (auto) this.edit();
return field.val();
},
/**
* Function: update
*
* Commits the change of the URLSegment to the field
* Optional: pass in (String)
* to update the URLSegment
*/
update: function() {
var self = this,
field = this.find(':text'),
holder = this.find('.preview'),
currentVal = holder.text(),
updateVal,
title = arguments[0];
if (title && title !== "") {
updateVal = title;
} else {
updateVal = field.val();
}
if (currentVal != updateVal) {
self.suggest(updateVal, function(data) {
var newVal = decodeURIComponent(data.value);
field.val(newVal);
self.edit(title);
});
} else {
self.edit();
}
},
/**
* Function: cancel
*
* Cancels any changes to the field
*
* Return URLSegemnt val()
*
*/
cancel: function() {
var field = this.find(':text'),
holder = this.find('.preview');
field.val(holder.text());
this.edit();
return field.val();
},
/**
* Function: suggest
*
* Return a value matching the criteria.
*
* Parameters:
* (String) val
* (Function) callback
*/
suggest: function(val, callback) {
var field = this.find(':text'), urlParts = $.path.parseUrl(this.closest('form').attr('action')),
url = urlParts.hrefNoSearch + '/field/' + field.attr('name') + '/suggest/?value=' + encodeURIComponent(val);
if(urlParts.search) url += '&' + urlParts.search.replace(/^\?/, '');
$.get(
url,
function(data) {callback.apply(this, arguments);}
);
},
/**
* Function: _addActions
*
* Utility to add edit buttons and actions
*
*/
_addActions: function() {
var self = this,
field = this.find(':text'),
preview,
editAction,
updateAction,
cancelAction;
// element to display non-editable text
preview = $('<span />', {
'class': 'preview'
});
// edit button
editAction = $('<button />', {
'class': 'ss-ui-button ss-ui-button-small edit',
'text': 'Edit',
'click': function(e) {
e.preventDefault();
self.edit();
self.find(':text').focus();
}
});
// update button
updateAction = $('<button />', {
'class': 'update ss-ui-button-small',
'text': 'OK',
'click': function(e) {
e.preventDefault();
self.update();
}
});
// cancel button
cancelAction = $('<button />', {
'class': 'cancel ss-ui-action-minor ss-ui-button-small',
'href': '#',
'text': 'cancel',
'click': function(e) {
e.preventDefault();
self.cancel();
}
});
// insert elements
preview.insertAfter('.prefix');
editAction.insertAfter(field);
cancelAction.insertAfter(field);
updateAction.insertAfter(field);
},
/**
* Function: _autoInputWidth
*
* Sets the width of input so it lines up with the other fields
*/
_autoInputWidth: function() {
var field = this.find(':text');
field.width((field.width() + 15) - this.find('.prefix').width());
}
});
});
}(jQuery));