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embedding a PDF document as an object in the html code [message #1810287]

Tue, 06 August 2019 14:35

Krzysztof Leja

Messages: 55
Registered: April 2019

Member

Hi,
As in the title: I would like to embed a PDF document in the form.
The PDF document is dynamically generated in the client module and stored in the instance of the BinaryResource class.
In the form I created a field inheriting from AbstractHtmlField, where in the execInitField () method I would like to load a PDF document as below in the example:

public class PrintField extends AbstractHtmlField {
	@Override
	protected void execInitField() {
		try {
			BinaryResource pdfContent = TableExporter.getAsPDF(parentTable);
			setValue("object:<center><object data=\"" + pdfContent.getFilename() + "\" type=\"application/pdf\" width=\"100%\" height=\"100%\"><p>No PDF document</p></object></center>");
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}

Question:
How to correctly set the "data" attribute of the Object's tag so that a PDF document stored in the BinaryResource automatically loads in it?

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Re: embedding a PDF document as an object in the html code [message #1810308 is a reply to message #1810287]

Wed, 07 August 2019 12:53

Krzysztof Leja

Messages: 55
Registered: April 2019

Member

In the meantime, I was able to solve my problem.
I added the "BinaryResource:" prefix to the data attribute and passed the BinaryResource handler to the addAttachment method as follows:

public class PrintField extends AbstractHtmlField {
	@Override
	protected void execInitField() {
		try {
			BinaryResource pdfContent = TableExporter.getAsPDF(parentTable);
			addAttachment(pdfContent);
			setValue("object:<center><object data=\"binaryResource:" + pdfContent.getFilename() + "\" type=\"application/pdf\" width=\"100%\" height=\"100%\"><p>No PDF document</p></object></center>");
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}

Now it works :-)

I also discovered that an alternative effect can be obtained by using an AbstractBrowserField field like this:

public class BrowseField extends AbstractBrowserField {		
			@Override
			protected void execInitField() {
				BinaryResource pdfContent = TableExporter.getAsPDF(parentTable);
				setBinaryResource(pdfContent);
			}
	
			@Override
			protected boolean getConfiguredScrollBarEnabled() {
			          return true;
			}
}

[Updated on: Wed, 07 August 2019 12:59]

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