+++ /dev/null
-
-(function($) {
- $.widget('wl.pictureviewer', {
-
- options: {
- steps: 6, // steps of zoom
- max: -1, // max zoom in percent
- plus_button: undefined,
- minus_button: undefined,
- height: 500, // height to scale to initially
- },
-
-
- _create: function() {
- var self = this;
- /* Calibrate */
- self._zoom = 0;
-
- // the initial thumbnailed picture
-
-
- var img = self.element.find('img.initial').get(0);
-
- self.initial_size = [
- img.naturalWidth,
- img.naturalHeight
- ];
-
- self.element.width(self.initial_size[0]);
- self.element.height(self.initial_size[1]);
-
- self.initial_position = self.element.offset();
-
- var original = self.element.find('img.original').get(0);
- self._original = false;
- self.original_loeaded = undefined; // callback
- self._original_loaded = false;
-
- self.spinner = $("#spinner").progressSpin();
-
- $(original).load(function() {
- self._original_loaded = true;
- self.spinner.stop();
- var cb = self.original_loaded;
- self.original_loaded = undefined;
- if (cb)
- cb()
- });
-
- if (self.options.max <= 0) {
- self.options.max = original.naturalWidth
- * 100 / self.initial_size[0];
- }
-
- self.element.css({
- 'margin': 0,
- });
-
- self.element.offset(self.initial_position);
- self.element.draggable({containment:"parent"});
-
- if (self.options.plus_button)
- self.options.plus_button.click(
- function(ev) { self.zoom(1); });
- if (self.options.minus_button)
- self.options.minus_button.click(
- function(ev) { self.zoom(-1); });
-
- self.options.areas_links.hover(function() {
- $this = $(this);
- var coords = $this.data("coords");
- this._picture_mark = self.createMark({
- label: $this.text(),
- coords: coords,
- });
- }, function() {
- $(this._picture_mark).remove();
- this._picture_mark = undefined;
- });
- return self;
- },
-
- natural_size: function() {
- var img = this.element.find('img').get(0);
- return [ img.naturalWidth, img.naturalHeight ]
- },
-
- currentZoom: function() { return this._zoom; },
-
- initOriginal: function() {
- var self = this;
- function subst_original() {
- self.element.find("img.initial").remove();
- self.element.find("img.loading").removeClass("loading");
- self._original = true;
- }
- if (!this._original) {
- if (this._original_loaded) {
- return subst_original();
- } else {
- self.original_loaded = subst_original;
- self.spinner.start();
- }
- }
-
- },
-
- zoom: function(steps) {
- this.initOriginal();
- var t = this._zoom + steps;
- return this.zoomTo(t);
- },
-
- zoomForStep: function(step) {
- // 0 => initial
- // max_step-1 => max %
- return 100 + (this.options.max - 100) / this.options.steps * step
- },
-
- zoomTo: function(level) {
- if (level < 0 || level > this.options.steps)
- return;
- var ratio = this.zoomForStep(level) / 100;
- var new_width = ratio * this.initial_size[0];
- var new_height = ratio * this.initial_size[1];
- var target = {
- 'width': new_width,
- 'left': Math.max(0,
- this.initial_position.left
- - (new_width - this.initial_size[0])/2),
- 'top': Math.max(0,
- this.initial_position.top
- - (new_height - this.initial_size[1])/2),
- };
-
- this._zoom = level;
- this.element.animate(target, 200); // default duration=400
- },
-
- allowedPosition: function(off) {
- var x = undefined, fix_x = undefined;
- var y = undefined, fix_y = undefined;
- var w = this.element.width();
- var h = this.element.height();
- var cw = $(window).width();
- var ch = $(window).height();
- var off = off || this.element.offset();
-
- if (w <= cw) {
- var x = off.left;
- if (x < 0)
- fix_x = 0;
- if (x + w > cw)
- fix_x = cw - w;
- } else {
- if (x > 0)
- fix_x = 0;
- if (x + w < cw)
- fix_x = cw - w;
- }
-
- if (h <= ch) {
- var y = off.top;
- if (y < 0)
- fix_y = 0;
- if (y + h > ch)
- fix_y = ch - h;
- } else {
- if (y > 0)
- fix_y = 0;
- if (y + h < ch)
- fix_y = ch - h;
- }
- if (fix_x !== undefined || fix_y !== undefined)
- return { top: fix_y, left: fix_x };
- return undefined;
-
- },
-
- // mark
- // {
- // label: "...",
- // coords: [x, y, w, h]
- // }
- createMark: function(mark) {
- var $mark = $('<div class="mark"><div class="label">' +
- mark.label + '</div></div>');
- var ratio = this.zoomForStep(this.currentZoom()) *
- this.initial_size[0] / (100 * this.natural_size()[0]);
- var scale = function (v) {
- return v * ratio;
- }
- if (mark.coords[1][0] < 0 || mark.coords[1][1] < 0) { // whole
- var s = self.natural_size();
- if (mark.coords[1][0] < 0) mark.coords[1][0] = s[0];
- if (mark.coords[1][1] < 0) mark.coords[1][1] = s[1];
- }
-
- var coords = [[scale(mark.coords[0][0]), scale(mark.coords[0][1])],
- [scale(mark.coords[1][0]), scale(mark.coords[1][1])]];
- this.element.append($mark);
- $mark.width(coords[1][0] - coords[0][0]);
- $mark.height(coords[1][1] - coords[0][1]);
- $mark.css({left: coords[0][0], top: coords[0][1]});
- return $mark.get(0);
- },
- });
-}(jQuery));
-
-
-$(document).ready(function(){
- $(".picture-wrap").pictureviewer({
- plus_button: $(".toolbar .button.plus"),
- minus_button: $(".toolbar .button.minus"),
- areas_links: $("#picture-objects a, #picture-themes a"),
- });
-
- $.highlightFade.defaults.speed = 3000;
-
- $('.toolbar a.dropdown').each(function() {
- $t = $(this);
- $($t.attr('href')).hide().insertAfter(this);
- });
-
- $('.toolbar a.dropdown').toggle(function() {
- $(this).addClass('selected');
- $($(this).attr('href')).slideDown('fast');
- }, function() {
- $(this).removeClass('selected');
- $($(this).attr('href')).slideUp('fast');
- });
-
-
-});
-
fnp / wolnelektury.git / blobdiff