121 lines
4.6 KiB
JavaScript
121 lines
4.6 KiB
JavaScript
'use strict';
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oml.ui.viewer = function() {
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var ui = oml.user.ui,
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annotations = [],
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frame = Ox.Element(),
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that = Ox.Element()
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.bindEvent({
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oml_itemview: function(data) {
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if (ui.item != item && ui.itemView == 'book') {
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that.updateElement(ui.item);
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}
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},
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oml_showannotations: function() {
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panel.toggleElement(1);
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}
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}),
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panel = Ox.SplitPanel({
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elements: [
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{
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element: frame
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},
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{
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collapsed: !ui.showAnnotations,
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collapsible: true,
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element: oml.$ui.annotationPanel = oml.ui.annotationPanel(),
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resizable: true,
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resize: [128, 384],
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size: 256,
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tooltip: Ox._('Annotations')
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+ ' <span class="OxBright">'
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+ Ox.SYMBOLS.shift + 'A</span>'
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}
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],
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orientation: 'horizontal'
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})
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.appendTo(that),
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$iframe, item;
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function loadAnnotations(callback) {
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annotations = JSON.parse(localStorage[item + '.annotations'] || '[]')
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callback && callback(annotations)
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}
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function saveAnnotations(data) {
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if (data) {
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data.created = data.created || (new Date).toISOString();
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annotations.push(data);
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}
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localStorage[item + '.annotations'] = JSON.stringify(annotations)
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}
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function removeAnnotation(id) {
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annotations = annotations.filter(function(annotation) {
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return annotation.id != id
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})
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saveAnnotations()
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}
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that.updateElement = function() {
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item = ui.item;
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if (item && item.length) {
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oml.api.get({id: item, keys: ['mediastate']}, function(result) {
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if (result.data.mediastate == 'available') {
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oml.$ui.annotationFolder.empty()
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if ($iframe) {
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$iframe.remove()
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}
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$iframe = Ox.Element('<iframe>').css({
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width: '100%',
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height: '100%',
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border: 0
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}).onMessage(function(data, event) {
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console.log('got', event, data)
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if (event == 'addAnnotation') {
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console.log('adding', data.id)
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saveAnnotations(data);
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var $annotation = oml.ui.annotation(data, $iframe)
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oml.$ui.annotationFolder.append($annotation);
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$annotation.annotate();
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} else if (event == 'removeAnnotation') {
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oml.$ui.annotationFolder.find('#a-' + data.id).remove()
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removeAnnotation(data.id)
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} else if (event == 'selectAnnotation') {
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console.log('select', data)
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} else if (event == 'deselectAnnotation') {
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console.log('deselect', data)
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} else {
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that.triggerEvent(event, data);
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}
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}).bindEvent({
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init: function() {
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loadAnnotations(function(annotations) {
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annotations.forEach(function(data) {
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var $annotation = oml.ui.annotation(data, $iframe)
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oml.$ui.annotationFolder.append($annotation);
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})
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// fixme: trigger loaded event from reader instead?
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setTimeout(function() {
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that.postMessage('addAnnotations', {
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annotations: annotations
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})
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}, 500)
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})
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}
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}).appendTo(frame);
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$iframe.attr({
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src: '/' + item + '/reader/'
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});
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}
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});
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}
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return that;
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};
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that.postMessage = function(event, data) {
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$iframe && $iframe.postMessage(event, data)
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};
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return that.updateElement();
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};
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