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Merge pull request #3631 from FinnStutzenstein/pdf-images-in-vfs

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Moved image sources to the virtual filesystem
This commit is contained in:
Norman Jäckel 2018-03-05 20:35:46 +01:00 committed by GitHub
commit ae3277b747
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 109 additions and 37 deletions
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79
openslides/core/static/js/core/pdf.js
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@ -87,7 +87,7 @@ angular.module('OpenSlidesApp.core.pdf', [])
return '{{ballot-placeholder-to-insert-functions-here}}';
};
// returns a promise for converting an image in data URL format
// returns a promise for converting an image in data URL format with size information
PDFLayout.imageURLtoBase64 = function(url) {
var promise = new Promise(function(resolve) {
var img = new Image();
@ -170,15 +170,18 @@ angular.module('OpenSlidesApp.core.pdf', [])
// Logo urls
var logoHeaderUrl = Config.get('logo_pdf_header').value.path,
logoFooterUrl = Config.get('logo_pdf_footer').value.path;
var imageMap = {};
var imageMap = contentProvider.getImageMap();
// PDF header
var getHeader = function() {
var columns = [];
if (logoHeaderUrl) {
if (logoHeaderUrl.indexOf('/') === 0) {
logoHeaderUrl = logoHeaderUrl.substr(1); // remove trailing /
}
columns.push({
image: imageMap[logoHeaderUrl].data,
image: logoHeaderUrl,
fit: [180, 40],
width: '20%'
});
@ -216,8 +219,11 @@ angular.module('OpenSlidesApp.core.pdf', [])
var columns = [];
if (logoFooterUrl) {
if (logoFooterUrl.indexOf('/') === 0) {
logoFooterUrl = logoFooterUrl.substr(1); // remove trailing /
}
columns.push({
image: imageMap[logoFooterUrl].data,
image: logoFooterUrl,
fit: [400,50],
width: '80%'
});
@ -338,15 +344,24 @@ angular.module('OpenSlidesApp.core.pdf', [])
};
};
var getImageMap = function () {
return imageMap;
};
return $q(function (resolve) {
var imageSources = [
logoHeaderUrl,
logoFooterUrl
];
ImageConverter.toBase64(imageSources).then(function (_imageMap) {
imageMap = _imageMap;
_.forEach(_imageMap, function (data, path) {
if (!imageMap[path]) {
imageMap[path] = data;
}
});
resolve({
getDocument: getDocument
getDocument: getDocument,
getImageMap: getImageMap,
});
});
});
@ -393,8 +408,14 @@ angular.module('OpenSlidesApp.core.pdf', [])
}
};
};
var getImageMap = function() {
return contentProvider.getImageMap();
};
return {
getDocument: getDocument
getDocument: getDocument,
getImageMap: getImageMap,
};
};
return {
@ -937,8 +958,12 @@ angular.module('OpenSlidesApp.core.pdf', [])
imageSize.width *= scaleByHeight;
imageSize.height *= scaleByHeight;
}
var path = element.getAttribute("src");
if (path.indexOf('/') === 0) {
path = path.substr(1); // remove trailing /
}
alreadyConverted.push({
image: images[element.getAttribute("src")].data,
image: path,
width: imageSize.width,
height: imageSize.height
});
@ -1064,8 +1089,8 @@ angular.module('OpenSlidesApp.core.pdf', [])
var imageMap = {};
var imagePromises = _.map(imageSources, function (imageSource) {
if (imageSource) {
return PDFLayout.imageURLtoBase64(imageSource).then(function (base64Str) {
imageMap[imageSource] = base64Str;
return PDFLayout.imageURLtoBase64(imageSource).then(function (imgInfo) {
imageMap[imageSource] = imgInfo;
});
}
});
@ -1127,10 +1152,17 @@ angular.module('OpenSlidesApp.core.pdf', [])
/*
* Create the virtual filesystem needed by PdfMake for the fonts. Gets the url
* mapping and loads all fonts via get requests or the urlCache.
* Adds all image sources to the vfs given by the imageMap.
*/
var getVfs = function () {
var getVfs = function (imageMap) {
var vfs = {};
_.forEach(imageMap || {}, function (data, path) {
if (path.indexOf('/') === 0) {
path = path.substr(1); // remove trailing /
}
vfs[path] = data.data.split(',')[1];
});
return $q(function (resolve, reject) {
var vfs = {};
var urls = getUrlMapping();
var promises = _.chain(urls)
.map(function (filenames, url) {
@ -1209,9 +1241,9 @@ angular.module('OpenSlidesApp.core.pdf', [])
}, 1);
};
return {
getBase64FromDocument: function (pdfDocument) {
getBase64FromDocument: function (documentProvider) {
return $q(function (resolve, reject) {
PdfVfs.get().then(function (vfs) {
PdfVfs.get(documentProvider.getImageMap()).then(function (vfs) {
var pdfWorker = new Worker('/static/js/workers/pdf-worker.js');
pdfWorker.addEventListener('message', function (event) {
resolve(event.data);
@ -1220,7 +1252,7 @@ angular.module('OpenSlidesApp.core.pdf', [])
reject(event);
});
pdfWorker.postMessage(JSON.stringify({
pdfDocument: pdfDocument,
pdfDocument: documentProvider.getDocument(),
vfs: vfs,
}));
});
@ -1228,8 +1260,17 @@ angular.module('OpenSlidesApp.core.pdf', [])
},
// Struckture of pdfDocuments: { filname1: doc, filename2: doc, ...}
getBase64FromMultipleDocuments: function (pdfDocuments) {
// concat all image sources together
var imageMap = {};
_.forEach(pdfDocuments, function (doc) {
_.forEach(doc.getImageMap(), function (data, path) {
if (!imageMap[path]) {
imageMap[path] = data;
}
});
});
return $q(function (resolve, reject) {
PdfVfs.get().then(function (vfs) {
PdfVfs.get(imageMap).then(function (vfs) {
var pdfWorker = new Worker('/static/js/workers/pdf-worker.js');
var resultCount = 0;
var base64Map = {}; // Maps filename to base64
@ -1247,17 +1288,17 @@ angular.module('OpenSlidesApp.core.pdf', [])
_.forEach(pdfDocuments, function (doc, filename) {
pdfWorker.postMessage(JSON.stringify({
filename: filename,
pdfDocument: doc,
pdfDocument: doc.getDocument(),
vfs: vfs,
}));
});
});
});
},
download: function (pdfDocument, filename) {
download: function (documentProvider, filename) {
stateChange('info', filename);
this.getBase64FromDocument(pdfDocument).then(function (data) {
this.getBase64FromDocument(documentProvider).then(function (data) {
var blob = b64toBlob(data);
stateChange('success', filename);
FileSaver.saveAs(blob, filename);

63
openslides/motions/static/js/motions/pdf.js
View File

@ -42,7 +42,7 @@ angular.module('OpenSlidesApp.motions.pdf', ['OpenSlidesApp.core.pdf'])
includeComments: {},
});
var converter;
var converter, imageMap = {};
// Query all image sources from motion text and reason
var getImageSources = function () {
@ -426,14 +426,20 @@ angular.module('OpenSlidesApp.motions.pdf', ['OpenSlidesApp.core.pdf'])
return motion.category;
};
var getImageMap = function() {
return imageMap;
};
return $q(function (resolve) {
ImageConverter.toBase64(getImageSources()).then(function (imageMap) {
converter = PdfMakeConverter.createInstance(imageMap);
ImageConverter.toBase64(getImageSources()).then(function (_imageMap) {
imageMap = _imageMap;
converter = PdfMakeConverter.createInstance(_imageMap);
resolve({
getContent: getContent,
getTitle: getTitle,
getIdentifier: getIdentifier,
getCategory: getCategory
getCategory: getCategory,
getImageMap: getImageMap,
});
});
});
@ -461,7 +467,7 @@ angular.module('OpenSlidesApp.motions.pdf', ['OpenSlidesApp.core.pdf'])
* */
var createInstance = function (motion, content) {
var converter;
var converter, imageMap = {};
// Query all image sources from the content
var getImageSources = function () {
@ -593,11 +599,17 @@ angular.module('OpenSlidesApp.motions.pdf', ['OpenSlidesApp.core.pdf'])
return pdfContent;
};
var getImageMap = function () {
return imageMap;
};
return $q(function (resolve) {
ImageConverter.toBase64(getImageSources()).then(function (imageMap) {
converter = PdfMakeConverter.createInstance(imageMap);
ImageConverter.toBase64(getImageSources()).then(function (_imageMap) {
imageMap = _imageMap;
converter = PdfMakeConverter.createInstance(_imageMap);
resolve({
getContent: getContent,
getImageMap: getImageMap,
});
});
});
@ -643,7 +655,7 @@ angular.module('OpenSlidesApp.motions.pdf', ['OpenSlidesApp.core.pdf'])
// logo
if (logoBallotPaperUrl) {
columns.push({
image: imageMap[logoBallotPaperUrl].data,
image: logoBallotPaperUrl,
fit: [90,25],
alignment: 'right',
width: '40%'
@ -750,6 +762,10 @@ angular.module('OpenSlidesApp.motions.pdf', ['OpenSlidesApp.core.pdf'])
return content;
};
var getImageMap = function () {
return imageMap;
};
return $q(function (resolve) {
var imageSources = [
logoBallotPaperUrl,
@ -757,7 +773,8 @@ angular.module('OpenSlidesApp.motions.pdf', ['OpenSlidesApp.core.pdf'])
ImageConverter.toBase64(imageSources).then(function (_imageMap) {
imageMap = _imageMap;
resolve({
getContent: getContent
getContent: getContent,
getImageMap: getImageMap,
});
});
});
@ -881,7 +898,7 @@ angular.module('OpenSlidesApp.motions.pdf', ['OpenSlidesApp.core.pdf'])
// returns the pure content of the motion, parseable by pdfmake
var getContent = function() {
var motionContent = [];
angular.forEach(allMotions, function(motion, key) {
_.forEach(allMotions, function(motion, key) {
motionContent.push(motion.getContent());
if (key < allMotions.length - 1) {
motionContent.push(PDFLayout.addPageBreak());
@ -900,8 +917,22 @@ angular.module('OpenSlidesApp.motions.pdf', ['OpenSlidesApp.core.pdf'])
content.push(motionContent);
return content;
};
var getImageMap = function () {
var imageMap = {};
_.forEach(allMotions, function (motion) {
_.forEach(motion.getImageMap(), function (data, path) {
if (!imageMap[path]) {
imageMap[path] = data;
}
});
});
return imageMap;
};
return {
getContent: getContent
getContent: getContent,
getImageMap: getImageMap,
};
};
@ -992,7 +1023,7 @@ angular.module('OpenSlidesApp.motions.pdf', ['OpenSlidesApp.core.pdf'])
});
this.getDocumentProvider(motions, params, singleMotion).then(
function (documentProvider) {
PdfCreate.download(documentProvider.getDocument(), params.filename);
PdfCreate.download(documentProvider, params.filename);
}
);
},
@ -1025,7 +1056,7 @@ angular.module('OpenSlidesApp.motions.pdf', ['OpenSlidesApp.core.pdf'])
return $q(function (resolve) {
// get documentProvider for every motion.
self.getDocumentProvider(motion, params, true).then(function (documentProvider) {
docMap[filename] = documentProvider.getDocument();
docMap[filename] = documentProvider;
resolve();
});
});
@ -1054,7 +1085,7 @@ angular.module('OpenSlidesApp.motions.pdf', ['OpenSlidesApp.core.pdf'])
var filename = gettextCatalog.getString('Motion') + '-' + id + '-' + gettextCatalog.getString('ballot-paper') + '.pdf';
PollContentProvider.createInstance(title, id).then(function (pollContentProvider) {
var documentProvider = PdfMakeBallotPaperProvider.createInstance(pollContentProvider);
PdfCreate.download(documentProvider.getDocument(), filename);
PdfCreate.download(documentProvider, filename);
});
},
exportPersonalNote: function (motion, filename) {
@ -1065,7 +1096,7 @@ angular.module('OpenSlidesApp.motions.pdf', ['OpenSlidesApp.core.pdf'])
}];
MotionPartialContentProvider.createInstance(motion, content).then(function (contentProvider) {
PdfMakeDocumentProvider.createInstance(contentProvider).then(function (documentProvider) {
PdfCreate.download(documentProvider.getDocument(), filename);
PdfCreate.download(documentProvider, filename);
});
});
},
@ -1082,7 +1113,7 @@ angular.module('OpenSlidesApp.motions.pdf', ['OpenSlidesApp.core.pdf'])
}];
MotionPartialContentProvider.createInstance(motion, content).then(function (contentProvider) {
PdfMakeDocumentProvider.createInstance(contentProvider).then(function (documentProvider) {
PdfCreate.download(documentProvider.getDocument(), filename);
PdfCreate.download(documentProvider, filename);
});
});
}

4
openslides/topics/static/js/topics/site.js
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@ -257,9 +257,9 @@ angular.module('OpenSlidesApp.topics.site', ['OpenSlidesApp.topics', 'OpenSlides
// import from textarea
$scope.importByLine = function () {
if ($scope.itemlist) {
$scope.titleItems = $scope.itemlist[0].split("\n");
$scope.titleItems = _.filter($scope.itemlist[0].split("\n"));
$scope.importcounter = 0;
$scope.titleItems.forEach(function(title, index) {
_.forEach($scope.titleItems, function(title, index) {
var item = {title: title};
item.agenda_type = 1; // The new topic is not hidden.
item.agenda_weight = 1000 + index;