digilib: client/digitallibrary/jquery/jquery.digilib.js comparison

comparison client/digitallibrary/jquery/jquery.digilib.js @ 753:8452a485e0e7 jquery

primitive plugin extension mechanism - unsure how useful this is

author	hertzhaft
date	Tue, 08 Feb 2011 23:57:39 +0100
parents	fb4ffac2950d
children	17539f6838b6

comparison

equal deleted inserted replaced

-:4b492b7900fb
+:8452a485e0e7
 if (qual >= 0 && qual <= 2) {
 setQuality(data, qual);
 redisplay(data);
 }
 },
 // calibrate (only faking)
 calibrate : function (data) {
 getImageInfo(data);
-}
+},
 };
 // returns parameters from page url
 var parseQueryParams = function() {
 return parseQueryString(window.location.search.slice(1));
 // returns function for load event of scaler img
 var scalerImgLoadedHandler = function (data) {
 return function () {
 var $img = $(this);
 var $scaler = data.$scaler;
-// create Transform from current area and picsize
+// create Transform from current zoomArea and image size
 data.imgTrafo = getImgTrafo($img, data.zoomArea,
 data.settings.rot, data.scalerFlags.hmir, data.scalerFlags.vmir);
-console.debug("imgTrafo=", data.imgTrafo);
+// console.debug("imgTrafo=", data.imgTrafo);
+var imgRect = geom.rectangle($img);
+// console.debug("imgrect=", imgRect);
 // adjust scaler div size
-var imgRect = geom.rectangle($img);
-console.debug("imgrect=", imgRect);
 imgRect.adjustDiv($scaler);
 // show image in case it was hidden (for example in zoomDrag)
 $img.css('visibility', 'visible');
 $scaler.css({'opacity' : '1', 'background-image' : 'none'});
 // display marks
 console.debug = logFunction('_debug');
 console.error = logFunction('_error');
 }
 // hook plugin into jquery
-$.fn.digilib = function(action) {
+$.fn.digilib = function(action, obj) {
-if (actions[action]) {
+// plugin extension mechanism
+if (action === 'extendPlugin') {
+// for each digilib $elem extend data.settings with obj.options
+if (obj.options) {
+this.each(function() {
+var $elem = $(this);
+// console.debug('extending:', $elem);
+var data = $elem.data('digilib');
+if (!data) {
+return console.log('cannot extend digilib plugin, element not initialised!');
+}
+var settings = data.settings;
+$.extend(settings, obj.options);
+// console.log('settings:', settings);
+});
+}
+delete(obj.options);
+// extend the plugin actions (to make this useful,
+// maybe we need to expose some more internal functions)
+$.extend(actions, obj);
+} else if (actions[action]) {
 // call action on this with the remaining arguments (inserting data as first argument)
 var $elem = $(this);
 var data = $elem.data('digilib');
 var args = Array.prototype.slice.call(arguments, 1);
 args.unshift(data);