yetangitu/pdf.js
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Simplify document properties field logic

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This patch:
- Simplifies the way fields are passed to the document properties overlay
- Simplifies the way fields are filled internally in the document properties overlay
- Avoids passing a document properties reference to the secondary toolbar
This commit is contained in:
Tim van der Meij 2015-04-24 21:19:58 +02:00
parent 1a5de56675
commit 6abf3d6ba3
3 changed files with 38 additions and 52 deletions
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60
web/pdf_document_properties.js
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@ -20,7 +20,9 @@
/**
* @typedef {Object} PDFDocumentPropertiesOptions
* @property {string} overlayName - Name/identifier for the overlay
* @property {string} overlayName - Name/identifier for the overlay.
* @property {Object} fields - Names and elements of the overlay's fields.
* @property {HTMLButtonElement} closeButton - Button for closing the overlay.
*/
/**
@ -32,24 +34,12 @@ var PDFDocumentProperties = (function PDFDocumentPropertiesClosure() {
* @param {PDFDocumentPropertiesOptions} options
*/
function PDFDocumentProperties(options) {
this.fields = options.fields;
this.overlayName = options.overlayName;
this.rawFileSize = 0;
this.url = null;
this.pdfDocument = null;
this.overlayName = options.overlayName;
// Set the document property fields.
this.fileNameField = options.fileNameField || null;
this.fileSizeField = options.fileSizeField || null;
this.titleField = options.titleField || null;
this.authorField = options.authorField || null;
this.subjectField = options.subjectField || null;
this.keywordsField = options.keywordsField || null;
this.creationDateField = options.creationDateField || null;
this.modificationDateField = options.modificationDateField || null;
this.creatorField = options.creatorField || null;
this.producerField = options.producerField || null;
this.versionField = options.versionField || null;
this.pageCountField = options.pageCountField || null;
// Bind the event listener for the Close button.
if (options.closeButton) {
@ -125,33 +115,29 @@ var PDFDocumentProperties = (function PDFDocumentPropertiesClosure() {
return;
}
this.setFileSize(data.length);
this._updateUI(this.fileSizeField, this._parseFileSize());
this._updateUI(this.fields['fileSize'], this._parseFileSize());
}.bind(this));
// Get the document properties.
this.pdfDocument.getMetadata().then(function(data) {
var fields = [
{ field: this.fileNameField,
content: getPDFFileNameFromURL(this.url) },
{ field: this.fileSizeField, content: this._parseFileSize() },
{ field: this.titleField, content: data.info.Title },
{ field: this.authorField, content: data.info.Author },
{ field: this.subjectField, content: data.info.Subject },
{ field: this.keywordsField, content: data.info.Keywords },
{ field: this.creationDateField,
content: this._parseDate(data.info.CreationDate) },
{ field: this.modificationDateField,
content: this._parseDate(data.info.ModDate) },
{ field: this.creatorField, content: data.info.Creator },
{ field: this.producerField, content: data.info.Producer },
{ field: this.versionField, content: data.info.PDFFormatVersion },
{ field: this.pageCountField, content: this.pdfDocument.numPages }
];
var content = {
'fileName': getPDFFileNameFromURL(this.url),
'fileSize': this._parseFileSize(),
'title': data.info.Title,
'author': data.info.Author,
'subject': data.info.Subject,
'keywords': data.info.Keywords,
'creationDate': this._parseDate(data.info.CreationDate),
'modificationDate': this._parseDate(data.info.ModDate),
'creator': data.info.Creator,
'producer': data.info.Producer,
'version': data.info.PDFFormatVersion,
'pageCount': this.pdfDocument.numPages
};
// Show the properties in the dialog.
for (var item in fields) {
var element = fields[item];
this._updateUI(element.field, element.content);
for (var identifier in content) {
this._updateUI(this.fields[identifier], content[identifier]);
}
}.bind(this));
},