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Named actions implementation #3557

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merged 1 commit into from
Aug 12, 2013
Merged

Named actions implementation #3557

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2 changes: 2 additions & 0 deletions src/annotation.js
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Original file line number Diff line number Diff line change
Expand Up @@ -629,6 +629,8 @@ var LinkAnnotation = (function LinkAnnotationClosure() {
}
data.url = url;
data.dest = action.get('D');
} else if (linkType === 'Named') {
data.action = action.get('N').name;
} else {
TODO('unrecognized link type: ' + linkType);
}
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52 changes: 51 additions & 1 deletion web/viewer.js
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Expand Up @@ -1614,6 +1614,52 @@ var PageView = function pageView(container, id, scale,
link.className = 'internalLink';
}

function bindNamedAction(link, action) {
link.onclick = function pageViewSetupNamedActionOnClick() {
// See PDF reference, table 8.45 - Named action
switch (action) {
case 'GoToPage':
document.getElementById('pageNumber').focus();
break;

case 'GoBack':
PDFHistory.back();
break;

case 'GoForward':
PDFHistory.forward();
break;

case 'Find':
if (!PDFView.supportsIntegratedFind) {
PDFFindBar.toggle();
}
break;

case 'NextPage':
PDFView.page++;
break;

case 'PrevPage':
PDFView.page--;
break;

case 'LastPage':
PDFView.page = PDFView.pages.length;
break;

case 'FirstPage':
PDFView.page = 1;
break;

default:
break; // No action according to spec
}
return false;
};
link.className = 'internalLink';
}

pdfPage.getAnnotations().then(function(annotationsData) {
viewport = viewport.clone({ dontFlip: true });
for (var i = 0; i < annotationsData.length; i++) {
Expand Down Expand Up @@ -1646,7 +1692,11 @@ var PageView = function pageView(container, id, scale,
CustomStyle.setProp('transformOrigin', element, transformOriginStr);

if (data.subtype === 'Link' && !data.url) {
bindLink(element, ('dest' in data) ? data.dest : null);
if (data.action) {
bindNamedAction(element, data.action);
} else {
bindLink(element, ('dest' in data) ? data.dest : null);
}
}

annotationsDiv.appendChild(element);
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