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added functions to insert, delete, and move pages. #409

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Merged
merged 1 commit into from
Nov 28, 2014
Merged

added functions to insert, delete, and move pages. #409

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41 changes: 41 additions & 0 deletions jspdf.js
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Original file line number Diff line number Diff line change
Expand Up @@ -982,6 +982,47 @@ var jsPDF = (function(global) {
_setPage.apply(this, arguments);
return this;
};
API.insertPage = function(beforePage) {
this.addPage();
this.movePage(currentPage, beforePage);
return this;
};
API.movePage = function(targetPage, beforePage) {
if (targetPage > beforePage){
var tmpPages = pages[targetPage];
var tmpPagedim = pagedim[targetPage];
for (var i=targetPage; i>beforePage; i--){
pages[i] = pages[i-1];
pagedim[i] = pagedim[i-1];
}
pages[beforePage] = tmpPages;
pagedim[beforePage] = tmpPagedim;
this.setPage(beforePage);
}else if (targetPage < beforePage){
var tmpPages = pages[targetPage];
var tmpPagedim = pagedim[targetPage];
for (var i=targetPage; i<beforePage; i++){
pages[i] = pages[i+1];
pagedim[i] = pagedim[i+1];
}
pages[beforePage] = tmpPages;
pagedim[beforePage] = tmpPagedim;
this.setPage(beforePage);
}
return this;
};
API.deletePage = function(targetPage) {
for (var i=targetPage; i< page; i++){
pages[i] = pages[i+1];
pagedim[i] = pagedim[i+1];
}
page--;
if (currentPage > page){
currentPage = page;
}
this.setPage(currentPage);
return this;
};
API.setDisplayMode = function(zoom, layout, pmode) {
zoomMode = zoom;
layoutMode = layout;
Expand Down
107 changes: 107 additions & 0 deletions test/test_insert_page.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,107 @@
<!doctype html>
<!--
/**
* jsPDF Insert Page PlugIn
* Copyright (c) 2014 Steven Spungin (TwelveTone LLC) steven@twelvetone.tv
*
* Licensed under the MIT License.
* http://opensource.org/licenses/mit-license
*/
-->

<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">

<title>Insert/Move/Delete Page Test</title>

<script type="text/javascript" src="../jspdf.js"></script>

<script>
window.onload = function() {

var pdf = new jsPDF('p', 'pt', 'letter');

var textHeight = 16;
var y = 0;
var pad = 5;

pdf.text("Page 1", 20, y + textHeight);
y += textHeight + pad;

pdf.addPage();
y=0;
pdf.text("Page 2", 20, y + textHeight);
y += textHeight + pad;

pdf.insertPage(1);
y=0;
pdf.text("Inserted Page", 20, y + textHeight);
y += textHeight + pad;

pdf.movePage(3, 2);

pdf.addPage();
pdf.text("Page Delete Me", 20, y + textHeight);
y += textHeight + pad;

pdf.deletePage(pdf.currentPage);

pdf.insertPage(1);
y=0;
pdf.text("Testing Insert Page", 20, y + textHeight);
y += textHeight + pad;
pdf.text("Order should be [inserted page] [page 2] [page 1]", 20, y + textHeight);
y += textHeight + pad;
pdf.text("[page 4] should have been deleted", 20, y + textHeight);
y += textHeight + pad;

///////////////////////////////////////////////////////////////////////////////
// end testing
///////////////////////////////////////////////////////////////////////////////

// generate either the pdf or source code
if (getParameterByName('src') != 'true'){
var frame = document.getElementById('pdfframe');
frame.src = pdf.output('datauristring');
}
else{
var content = document.getElementById('sourcecode');
var raw = pdf.output();
raw = escapeHtml(raw);
content.innerHTML = raw;
}

}

var entityMap = {
"&": "&amp;",
"<": "&lt;",
">": "&gt;",
'"': '&quot;',
"'": '&#39;',
"/": '&#x2F;'
};

function escapeHtml(string) {
return String(string).replace(/[&<>"'\/]/g, function (s) {
return entityMap[s];
});
}

function getParameterByName(name) {
name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
results = regex.exec(location.search);
return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
}

</script>

</head>

<body style='background-color: silver; margin: 0;'>
<pre id='sourcecode'></pre>
<iframe id='pdfframe' style='width: 100%; height: 100%; position: absolute'></iframe>
</body>
</html>