100 lines
2.7 KiB
JavaScript
100 lines
2.7 KiB
JavaScript
'use strict';
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/*@
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Ox.PDFViewer <f> PDF Viewer
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options <o> Options
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center <[n]|s|'auto'> Center ([x, y] or 'auto')
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height <n|384> Viewer height in px
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maxZoom <n|16> Maximum zoom (minimum zoom is 'fit')
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pdfjsURL <s|'/static/pdf.js/'> URL to pdf.js
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url <s|''> PDF URL
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width <n|512> Viewer width in px
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zoom <n|s|'fit'> Zoom (number or 'fit' or 'fill')
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self <o> Shared private variable
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([options[, self]]) -> <o:OxElement> PDF Viewer
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center <!> Center changed
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center <[n]|s> Center
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zoom <!> Zoom changed
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zoom <n|s> Zoom
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page <!> Page changed
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page <n|s> Page
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@*/
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Ox.PDFViewer = function(options, self) {
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self = self || {};
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var that = Ox.Element({}, self)
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.defaults({
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center: 'auto',
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height: 384,
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pdfjsURL: '/static/pdf.js/',
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page: 1,
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maxZoom: 16,
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url: '',
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width: 512,
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zoom: 'fit'
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})
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.options(options || {})
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.update({
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center: function() {
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setCenterAndZoom();
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},
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page: updatePage,
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// allow for setting height and width at the same time
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height: updateSize,
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url: function() {
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self.$iframe.postMessage('pdf', {pdf: self.options.url});
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},
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width: updateSize,
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zoom: function() {
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setCenterAndZoom();
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}
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})
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.addClass('OxPDFViewer')
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.on({
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})
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.bindEvent({
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});
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self.$iframe = Ox.Element('<iframe>')
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.attr({
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frameborder: 0,
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height: self.options.height + 'px',
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src: self.options.pdfjsURL + '?' + pandora.getVersion() + '&file=' + encodeURIComponent(self.options.url) + '#page=' + self.options.page,
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width: self.options.width + 'px'
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})
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.onMessage(function(data, event) {
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that.triggerEvent(event, data);
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})
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.appendTo(that);
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updateSize();
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function setCenterAndZoom() {
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}
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function updatePage() {
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self.$iframe.postMessage('page', {page: self.options.page});
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}
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function updateSize() {
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that.css({
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height: self.options.height + 'px',
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width: self.options.width + 'px',
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});
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self.$iframe.css({
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height: self.options.height + 'px',
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width: self.options.width + 'px',
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});
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}
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/*@
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postMessage <f> postMessage
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(event, data) -> <o> post message to pdf.js
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@*/
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that.postMessage = function(event, data) {
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self.$iframe.postMessage(event, data);
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}
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return that;
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};
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