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

comparison client/digitallibrary/jquery/jquery.digilib.js @ 849:2b7143c331c3 jquery

first step towards zoom arrows

author	hertzhaft
date	Tue, 08 Mar 2011 09:07:07 +0100
parents	8aa2891583f1
children	34b20eec036b

comparison

equal deleted inserted replaced

-:a43810d16ee5
+:2b7143c331c3
 'standardSet' : ["reference","zoomin","zoomout","zoomarea","zoomfull","help","reset","toggleoptions"],
 'specialSet' : ["mark","delmark","hmir","vmir","rot","brgt","cont","rgb","quality","scale","lessoptions"],
 'buttonSets' : ['standardSet', 'specialSet']
 }
 },
+// arrow overlays for moving the zoomed area
+'zoomArrows' : true,
+// zoom arrow image info
+'zoomArrowImg' : {
+// path to arrow images (must end with a slash)
+'imagePath' : 'img/',
+// minimal width of the arrow bar (pixel)
+'minwidth' : 6,
+// image file names
+'up' : 'up.png',
+'down' : 'down.png',
+'left' : 'left.png',
+'right' : 'right.png'
+},
 // number of visible button groups
 'visibleButtonSets' : 1,
 // is the "about" window shown?
 'isAboutDivVisible' : false,
 // default size of background image for drag-scroll (same as Bird's Eye View image)
 'bgImgHeight' : 200,
 // maximum width or height of background image for drag-scroll
 'maxBgSize' : 10000,
 // parameters used by background image
 'bgImgParams' : ['fn','pn','dw','dh','mo','rot'],
-// space to be left free in full page display, default value is for scrollbar
+// reserved space in full page display (default value accounts for vertical scrollbar)
 'scalerInset' : 10
 };
 // list of plugins
 var plugins = {};
 delete cp.pn;
 $.extend(params, cp);
 }
 }
 }
-// store $(this) element in data, needs a deep copy
+// setup $elem.data, needs "deep copy" because of nesting
 elemSettings = $.extend(true, {}, settings, params);
 data = {
+// let $(this) know about $(this) :-)
 $elem : $elem,
+// let $elem have its own copy of settings
 settings : elemSettings,
+// and of the URL query parameters
 queryParams : params,
 // TODO: move plugins reference out of data
 plugins : plugins
 };
 // store in jQuery data element
 // create HTML structure for scaler, taking width of buttons div into account
 setupScalerDiv(data);
 highlightButtons(data);
 // about window creation - TODO: could be deferred? restrict to only one item?
 setupAboutDiv(data);
+// arrow overlays for moving zoomed detail
+setupZoomArrows(data);
 // send setup event
 $(data).trigger('setup');
 });
 },
 data.$buttonSets[buttonSetIdx] = $buttonsDiv;
 }
 return $buttonsDiv;
 };
+// creates arrow overlays for moving the zoomed area
+var setupZoomArrows = function (data) {
+var $elem = data.$elem;
+var settings = data.settings;
+var show = settings.zoomArrows;
+console.log('zoom arrows:', show);
+if (!show) return;
+};
 // creates HTML structure for the about view in elem
 var setupAboutDiv = function (data) {
 var $elem = data.$elem;
 var settings = data.settings;
 var $aboutDiv = $('<div class="about" style="display:none"/>');