silverstripe-cms/javascript/ThumbnailStripField.js

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/**
* File: ThumbnailStripField.js
*/
/**
* Class: ThumbnailStripField
*/
ThumbnailStripField = Class.create();
// We do this instead of div.thumbnailstrip for efficiency. It means that ThumbnailStripField can only be used in the
// CMS toolbar
ThumbnailStripField.applyTo('#FolderImages');
ThumbnailStripField.applyTo('#Flash');
ThumbnailStripField.prototype = {
/**
* @var updateMethod string Specifies the Ajax-call for getting files
* (currently either "getimages" or "getflash"). This can be specified
* in the PHP-constructor of ThumbnailStripField and is passed to the client
* as a fake css-class.
*/
updateMethod: 'getimages',
initialize: function() {
try {
this.updateMethod = this.className.match(/updatemethod=([^ ]+)/)[1];
} catch(err) {}
if(this.className.match(/parent=([^ ]+)/)) {
// HACK: This is hard-coded to only work with TreeDropdownFields
var parentField = $(RegExp.$1).parentNode;
if(parentField) {
parentField.observeMethod('Change', this.ajaxGetFiles.bind(this));
}
var searchField = $$('#' + this.updateMethod + 'Search input')[0];
var timeout = undefined;
if(searchField) {
Event.observe(searchField, 'keypress', function(event) {
if(timeout != undefined) clearTimeout(timeout);
timeout = setTimeout(function() {
var searchText = searchField.value;
var folderID = null;
if (parentField && parentField.inputTag)
folderID = parentField.inputTag.value
$('Flash').ajaxGetFiles(folderID, searchText);
$('FolderImages').ajaxGetFiles(folderID, searchText);
}, 500);
});
}
}
},
ajaxGetFiles: function(folderID, searchText, callback) {
if(!callback) callback = this.reapplyBehaviour.bind(this);
var securityID = ($('SecurityID') ? '&SecurityID=' + $('SecurityID').value : '');
this.innerHTML = '<h2>Loading...</h2>';
var ajaxURL = this.helperURLBase() + '&methodName=' + this.updateMethod + '&folderID=' + folderID + '&searchText=' + searchText + securityID + '&cacheKillerDate=' + parseInt((new Date()).getTime()) + '&cacheKillerRand=' + parseInt(10000 * Math.random());
new Ajax.Updater(this, ajaxURL, {
method : 'get',
onComplete : callback,
onFailure : function(response) { errorMessage("Error getting files", response); }
});
},
reapplyBehaviour: function() {
Behaviour.apply(this);
},
helperURLBase: function() {
var fieldName = this.id;
var ownerForm = this.ownerForm();
var securityID = ($('SecurityID') ? '&SecurityID=' + $('SecurityID').value : '');
return ownerForm.action + '?action_callfieldmethod=1&fieldName=' + fieldName + '&ajax=1' + securityID;
},
ownerForm: function() {
var f =this.parentNode;
while(f && f.tagName.toLowerCase() != 'form') f = f.parentNode;
return f;
}
}