--- /dev/null
+(function($){
+
+ function normalizeNumber(pageNumber, pageCount){
+ // Numer strony musi być pomiędzy 1 a najwyższym numerem
+ var pageNumber = parseInt(pageNumber, 10);
+
+ if (!pageNumber ||
+ pageNumber == NaN ||
+ pageNumber == Infinity ||
+ pageNumber == -Infinity ||
+ pageNumber < 1)
+ return 1;
+
+ if (pageNumber > pageCount)
+ return pageCount;
+
+ return pageNumber;
+ }
+
+ function bounds(galleryWidth, galleryHeight, imageWidth, imageHeight){
+ return {
+ maxX: 0,
+ maxY: 0,
+ minX: galleryWidth - imageWidth,
+ minY: galleryHeight - imageHeight
+ }
+ };
+
+ function normalizePosition(x, y, galleryWidth, galleryHeight, imageWidth, imageHeight){
+ var b = bounds(galleryWidth, galleryHeight, imageWidth, imageHeight);
+ return {
+ x: Math.min(b.maxX, Math.max(b.minX, x)),
+ y: Math.min(b.maxY, Math.max(b.minY, y))
+ }
+ };
+
+ function fixImageSize(){
+
+ }
+
+ /*
+ * Perspective
+ */
+ function ScanGalleryPerspective(options){
+ var old_callback = options.callback || function() { };
+
+ options.callback = function(){
+ var self = this;
+
+ this.dimensions = {};
+ this.zoomFactor = 1;
+ this.$element = $("#side-gallery");
+ this.$numberInput = $('.page-number', this.$element);
+
+ // ...
+ var origin = {};
+ var imageOrigin = {};
+
+ this.$image = $('.gallery-image img', this.$element).attr('unselectable', 'on');
+
+ // button handlers
+ this.$numberInput.change(function(event){
+ event.preventDefault();
+ self.setPage($(this).val());
+ });
+
+ $('.previous-page', this.$element).click(function(){
+ self.setPage(parseInt(self.$numberInput.val(),10) - 1);
+ });
+
+ $('.next-page', this.$element).click(function(){
+ self.setPage(parseInt(self.$numberInput.val(),10) + 1);
+ });
+
+ $('.zoom-in', this.$element).click(function(){
+ self.alterZoom(0.2);
+ });
+
+ $('.zoom-out', this.$element).click(function(){
+ self.alterZoom((-0.2));
+ });
+
+ $(window).resize(function(){
+ self.dimensions.galleryWidth = self.$image.parent().width();
+ self.dimensions.galleryHeight = self.$image.parent().height();
+ });
+
+ $('.gallery-image img', this.$element).load(function(){
+ console.log("Image loaded.")
+ self._resizeImage();
+ }).bind('mousedown', function() {
+ self.imageMoveStart.apply(self, arguments);
+ });
+
+ old_callback.call(this);
+ };
+
+ $.wiki.Perspective.call(this, options);
+ };
+
+ ScanGalleryPerspective.prototype = new $.wiki.Perspective();
+
+ ScanGalleryPerspective.prototype._resizeImage = function(){
+ var $img = this.$image;
+
+ $img.css({
+ width: null,
+ height: null
+ });
+
+ this.dimensions = {
+ width: $img.width() * this.zoomFactor,
+ height: $img.height() * this.zoomFactor,
+ originWidth: $img.width(),
+ originHeight: $img.height(),
+ galleryWidth: $img.parent().width(),
+ galleryHeight: $img.parent().height()
+ };
+
+ if (!(this.dimensions.width && this.dimensions.height)) {
+ setTimeout(function(){
+ $img.load();
+ }, 100);
+ }
+
+ var position = normalizePosition($img.position().left, $img.position().top, this.dimensions.galleryWidth, this.dimensions.galleryHeight, this.dimensions.width, this.dimensions.height);
+
+ $img.css({
+ left: position.x,
+ top: position.y,
+ width: $img.width() * this.zoomFactor,
+ height: $img.height() * this.zoomFactor
+ });
+ };
+
+ ScanGalleryPerspective.prototype.setPage = function(newPage){
+ newPage = normalizeNumber(newPage, this.doc.galleryImages.length);
+ this.$numberInput.val(newPage);
+ $('.gallery-image img', this.$element).attr('src', this.doc.galleryImages[newPage - 1]);
+ };
+
+ ScanGalleryPerspective.prototype.alterZoom = function(delta){
+ var zoomFactor = this.zoomFactor + delta;
+ if (zoomFactor < 0.2)
+ zoomFactor = 0.2;
+ if (zoomFactor > 2)
+ zoomFactor = 2;
+ this.setZoom(zoomFactor);
+ };
+
+ ScanGalleryPerspective.prototype.setZoom = function(factor){
+ this.zoomFactor = factor;
+
+ this.dimensions.width = this.dimensions.originWidth * this.zoomFactor;
+ this.dimensions.height = this.dimensions.originHeight * this.zoomFactor;
+
+ // var position = normalizePosition(this.$image.position().left, this.$image.position().top, this.dimensions.galleryWidth, this.dimensions.galleryHeight, this.dimensions.width, this.dimensions.height);
+
+ this._resizeImage();
+ /* this.$image.css({
+ width: this.dimensions.width,
+ height: this.dimensions.height,
+ left: position.x,
+ top: position.y
+ });*/
+ };
+
+ /*
+ * Movement
+ */
+ ScanGalleryPerspective.prototype.imageMoved = function(event){
+ event.preventDefault();
+
+ // origin is where the drag started
+ // imageOrigin is where the drag started on the image
+
+ var newX = event.clientX - this.origin.x + this.imageOrigin.left;
+ var newY = event.clientY - this.origin.y + this.imageOrigin.top;
+
+ var position = normalizePosition(newX, newY, this.dimensions.galleryWidth, this.dimensions.galleryHeight, this.dimensions.width, this.dimensions.height);
+
+ this.$image.css({
+ left: position.x,
+ top: position.y,
+ });
+
+ return false;
+ };
+
+ ScanGalleryPerspective.prototype.imageMoveStart = function(event){
+ event.preventDefault();
+
+ var self = this;
+
+ this.origin = {
+ x: event.clientX,
+ y: event.clientY
+ };
+
+ this.imageOrigin = self.$image.position();
+ $(document).bind('mousemove.gallery', function(){
+ self.imageMoved.apply(self, arguments);
+ }).bind('mouseup.gallery', function() {
+ self.imageMoveStop.apply(self, arguments);
+ });
+
+ return false;
+ };
+
+ ScanGalleryPerspective.prototype.imageMoveStop = function(event){
+ $(document).unbind('mousemove.gallery').unbind('mouseup.gallery');
+ };
+
+ /*
+ * Loading gallery
+ */
+ ScanGalleryPerspective.prototype.onEnter = function(success, failure){
+ var self = this;
+
+ $.wiki.Perspective.prototype.onEnter.call(this);
+
+ this.doc.refreshGallery({
+ success: function(doc, data){
+ self.$image.show();
+ self.setPage( self.$numberInput.val() );
+
+ $('.error_message', self.$element).hide();
+ if(success) success();
+ },
+ failure: function(doc, message){
+ self.$image.hide();
+ $('.error_message', self.$element).show().html(message);
+ if(failure) failure();
+ }
+ });
+ };
+
+ $.wiki.ScanGalleryPerspective = ScanGalleryPerspective;
+
+})(jQuery);
\ No newline at end of file
fnp / redakcja.git / blobdiff