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include addJS() patch in trunk #39

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include addJS() patch in trunk #39

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e085af3
Added "rsmoorthy" .addJS() patch from here: http://blog.rsmoorthy.net…
chr15m Feb 13, 2012
ae4a7bb
Updated README to reflect addJS patch from "rmoorthy".
chr15m Feb 13, 2012
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5 changes: 4 additions & 1 deletion README
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,10 @@ Example:
page5.mediaBox.getUpperRight_y() / 2
)
output.addPage(page5)


# add some Javascript to launch the print window on opening this PDF
output.addJS("this.print({bUI:true,bSilent:false,bShrinkToFit:true});")

# print how many pages input1 has:
print "document1.pdf has %s pages." % input1.getNumPages())

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30 changes: 29 additions & 1 deletion pyPdf/pdf.py
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Expand Up @@ -86,18 +86,43 @@ def __init__(self):
})
self._info = self._addObject(info)


# js object
js = DictionaryObject()
js.update({
NameObject("/Type"): NameObject("/Action"),
NameObject("/S"): NameObject("/Javascript"),
NameObject("/JS"): NameObject(u"(app.alert({cMsg: 'Hello from PDF JavaScript', cTitle: 'Testing PDF JavaScript', nIcon: 3});)")
})

# root object
root = DictionaryObject()
root.update({
NameObject("/Type"): NameObject("/Catalog"),
NameObject("/Pages"): self._pages,
# NameObject("/OpenAction"): self._addObject(js),
})
self._root = self._addObject(root)
# self._root = self._addObject(root)
self._root = None
self.root = root

def _addObject(self, obj):
self._objects.append(obj)
return IndirectObject(len(self._objects), 0, self)

def addJS(self, str):
js = DictionaryObject()
js.update({
NameObject("/Type"): NameObject("/Action"),
NameObject("/S"): NameObject("/JavaScript"),
# NameObject("/JS"): NameObject(u"(app.alert({cMsg: 'Hello from PDF JavaScript', cTitle: 'Testing PDF JavaScript', nIcon: 3});)")
NameObject("/JS"): NameObject("(" + str + ")"),
})

self.root.update( {
NameObject("/OpenAction"): self._addObject(js)
} )

def getObject(self, ido):
if ido.pdf != self:
raise ValueError("pdf must be self")
Expand Down Expand Up @@ -240,6 +265,9 @@ def encrypt(self, user_pwd, owner_pwd = None, use_128bit = True):
def write(self, stream):
import struct

if(not self._root):
self._root = self._addObject(self.root)

externalReferenceMap = {}

# PDF objects sometimes have circular references to their /Page objects
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