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Implement support for FileAttachment annotations

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This commit is contained in:
Tim van der Meij 2016-02-14 20:44:00 +01:00
parent e9a1a47d28
commit 6a33dfd13a
10 changed files with 127 additions and 9 deletions
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78
src/display/annotation_layer.js
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@ -42,6 +42,7 @@ var CustomStyle = displayDOMUtils.CustomStyle;
* @property {PDFPage} page
* @property {PageViewport} viewport
* @property {IPDFLinkService} linkService
* @property {DownloadManager} downloadManager
*/
/**
@ -83,6 +84,9 @@ AnnotationElementFactory.prototype =
case AnnotationType.STRIKEOUT:
return new StrikeOutAnnotationElement(parameters);
case AnnotationType.FILEATTACHMENT:
return new FileAttachmentAnnotationElement(parameters);
default:
return new AnnotationElement(parameters);
}
@ -101,6 +105,7 @@ var AnnotationElement = (function AnnotationElementClosure() {
this.page = parameters.page;
this.viewport = parameters.viewport;
this.linkService = parameters.linkService;
this.downloadManager = parameters.downloadManager;
if (isRenderable) {
this.container = this._createContainer();
@ -717,6 +722,76 @@ var StrikeOutAnnotationElement = (
return StrikeOutAnnotationElement;
})();
/**
* @class
* @alias FileAttachmentAnnotationElement
*/
var FileAttachmentAnnotationElement = (
function FileAttachmentAnnotationElementClosure() {
function FileAttachmentAnnotationElement(parameters) {
AnnotationElement.call(this, parameters, true);
this.filename = parameters.data.file.filename;
this.content = parameters.data.file.content;
}
Util.inherit(FileAttachmentAnnotationElement, AnnotationElement, {
/**
* Render the file attachment annotation's HTML element in the empty
* container.
*
* @public
* @memberof FileAttachmentAnnotationElement
* @returns {HTMLSectionElement}
*/
render: function FileAttachmentAnnotationElement_render() {
this.container.className = 'fileAttachmentAnnotation';
var trigger = document.createElement('div');
trigger.style.height = this.container.style.height;
trigger.style.width = this.container.style.width;
trigger.addEventListener('dblclick', this._download.bind(this));
if (!this.data.hasPopup && (this.data.title || this.data.contents)) {
var popupElement = new PopupElement({
container: this.container,
trigger: trigger,
color: this.data.color,
title: this.data.title,
contents: this.data.contents,
hideWrapper: true
});
var popup = popupElement.render();
// Position the popup next to the FileAttachment annotation's
// container.
popup.style.left = this.container.style.width;
this.container.appendChild(popup);
}
this.container.appendChild(trigger);
return this.container;
},
/**
* Download the file attachment associated with this annotation.
*
* @private
* @memberof FileAttachmentAnnotationElement
*/
_download: function FileAttachmentAnnotationElement_download() {
if (!this.downloadManager) {
warn('Download cannot be started due to unavailable download manager');
return;
}
this.downloadManager.downloadData(this.content, this.filename, '');
}
});
return FileAttachmentAnnotationElement;
})();
/**
* @typedef {Object} AnnotationLayerParameters
* @property {PageViewport} viewport
@ -753,7 +828,8 @@ var AnnotationLayer = (function AnnotationLayerClosure() {
layer: parameters.div,
page: parameters.page,
viewport: parameters.viewport,
linkService: parameters.linkService
linkService: parameters.linkService,
downloadManager: parameters.downloadManager
};
var element = annotationElementFactory.create(properties);
if (element.isRenderable) {