mirror of
https://github.com/overleaf/overleaf.git
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65 lines
2.1 KiB
JavaScript
65 lines
2.1 KiB
JavaScript
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(function (name, context, definition) {
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if (typeof module != 'undefined' && module.exports) module.exports = definition()
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else if (typeof define == 'function' && define.amd) define(definition)
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else context[name] = definition()
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})('AnnotationsLayerBuilder', this, function (name, context) {
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function AnnotationsLayerBuilder(pageView, annotationsLayerDiv) {
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this.annotationsLayerDiv = annotationsLayerDiv;
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this.pageView = pageView;
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};
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AnnotationsLayerBuilder.EXTERNAL_LINK_TARGET = "_blank";
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AnnotationsLayerBuilder.prototype = {
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setAnnotations: function(annotations) {
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for (var i = 0; i < annotations.length; i++) {
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var annotation = annotations[i];
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switch (annotation.subtype) {
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case 'Link':
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this.addLink(annotation);
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break;
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case 'Text':
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// TODO
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break;
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}
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}
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},
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addLink: function(link) {
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var element = this.buildLinkElementFromRect(link.rect);
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this.setLinkTarget(element, link);
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this.annotationsLayerDiv.appendChild(element);
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},
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buildLinkElementFromRect: function(rect) {
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rect = this.pageView.viewport.convertToViewportRectangle(rect);
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rect = PDFJS.Util.normalizeRect(rect);
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var element = document.createElement("a");
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element.style.left = Math.floor(rect[0]) + 'px';
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element.style.top = Math.floor(rect[1]) + 'px';
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element.style.width = Math.ceil(rect[2] - rect[0]) + 'px';
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element.style.height = Math.ceil(rect[3] - rect[1]) + 'px';
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return element;
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},
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setLinkTarget: function(element, link) {
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if (link.url) {
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element.href = link.url;
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element.target = this.EXTERNAL_LINK_TARGET;
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} else if (link.dest) {
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element.href = "#" + link.dest;
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var listView = this.pageView.listView;
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element.onclick = function(e) {
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e.preventDefault()
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listView.navigateTo(link.dest);
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}
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// TODO
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}
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}
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}
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return AnnotationsLayerBuilder;
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});
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