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Display error messages on more problems.

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This commit is contained in:
Brendan Dahl 2011-11-29 11:28:05 -08:00
parent 6dd706c0c3
commit b40af3555b
2 changed files with 59 additions and 28 deletions
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73
web/viewer.js
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@ -129,7 +129,14 @@ var PDFView = {
if (evt.lengthComputable)
self.progress(evt.loaded / evt.total);
},
error: self.error
error: function getPdfError(e) {
var loadingIndicator = document.getElementById('loading');
loadingIndicator.innerHTML = 'Error';
var moreInfo = {
message: 'Unexpected server response of ' + e.target.status + '.'
};
self.error('An error occurred while loading the PDF.', moreInfo);
}
},
function getPdfLoad(data) {
self.loading = true;
@ -181,33 +188,46 @@ var PDFView = {
return '';
},
error: function pdfViewError(message, error) {
/**
* Show the error box.
* @param {String} message A message that is human readable.
* @param {Object} moreInfo (optional) Further information about the error
* that is more technical. Should have a 'message'
* and optionally a 'stack' property.
*/
error: function pdfViewError(message, moreInfo) {
var errorWrapper = document.getElementById('errorWrapper');
errorWrapper.removeAttribute('hidden');
var errorMessage = document.getElementById('errorMessage');
errorMessage.innerHTML = message;
if (error) {
var errorMoreInfo = document.getElementById('errorMoreInfo');
var moreInfoButton = document.getElementById('errorShowMore');
var lessInfoButton = document.getElementById('errorShowLess');
var closeButton = document.getElementById('errorClose');
moreInfoButton.onclick = function() {
errorMoreInfo.removeAttribute('hidden');
moreInfoButton.setAttribute('hidden', 'true');
lessInfoButton.removeAttribute('hidden');
};
lessInfoButton.onclick = function() {
errorMoreInfo.setAttribute('hidden', 'true');
moreInfoButton.removeAttribute('hidden');
lessInfoButton.setAttribute('hidden', 'true');
};
closeButton.onclick = function() {
errorWrapper.setAttribute('hidden', 'true');
};
var closeButton = document.getElementById('errorClose');
closeButton.onclick = function() {
errorWrapper.setAttribute('hidden', 'true');
};
var errorMoreInfo = document.getElementById('errorMoreInfo');
var moreInfoButton = document.getElementById('errorShowMore');
var lessInfoButton = document.getElementById('errorShowLess');
moreInfoButton.onclick = function() {
errorMoreInfo.removeAttribute('hidden');
moreInfoButton.setAttribute('hidden', 'true');
lessInfoButton.removeAttribute('hidden');
};
lessInfoButton.onclick = function() {
errorMoreInfo.setAttribute('hidden', 'true');
moreInfoButton.removeAttribute('hidden');
errorMoreInfo.innerHTML = error.message + '\n' + error.stack;
lessInfoButton.setAttribute('hidden', 'true');
};
moreInfoButton.removeAttribute('hidden');
lessInfoButton.setAttribute('hidden', 'true');
errorMoreInfo.innerHTML = 'PDF.JS Build: ' + PDFJS.build + '\n';
if (moreInfo) {
errorMoreInfo.innerHTML += 'Message: ' + moreInfo.message;
if (moreInfo.stack)
errorMoreInfo.innerHTML += '\n' + 'Stack: ' + moreInfo.stack;
}
},
@ -225,6 +245,9 @@ var PDFView = {
};
}
var errorWrapper = document.getElementById('errorWrapper');
errorWrapper.setAttribute('hidden', 'true');
var loadingIndicator = document.getElementById('loading');
loadingIndicator.setAttribute('hidden', 'true');
@ -241,7 +264,11 @@ var PDFView = {
while (container.hasChildNodes())
container.removeChild(container.lastChild);
var pdf = new PDFJS.PDFDoc(data);
try {
var pdf = new PDFJS.PDFDoc(data);
} catch (e) {
this.error('An error occurred while reading the PDF.', e);
}
var pagesCount = pdf.numPages;
document.getElementById('numPages').innerHTML = pagesCount;
document.getElementById('pageNumber').max = pagesCount;
@ -533,7 +560,7 @@ var PageView = function pageView(container, content, id, pageWidth, pageHeight,
this.onAfterDraw();
}).bind(this),
function pageViewErrorback(e) {
PDFView.error('An error occured while rendering the page.', e);
PDFView.error('An error occurred while rendering the page.', e);
}
);