[Xerte] Re: simple presentation

[Julian Tenney]

Use getChildByName() to avoid having to know the structure / number of children.

Much better to say icon.parentNode.getChildByName("myProtoPageName") than to say icon.nextSibling() etc where if the structure changes, so does your code,

J

From: xerte-bounces at lists.nottingham.ac.uk [mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Patricia Heijmen
Sent: 04 April 2011 09:10
To: Xerte discussion list
Subject: [Xerte] Re: simple presentation

Thank you Dave,

I am a bit further now. But still have some trouble.

Now I have :
the make pages icon, then the interface icon, the interface icon contains an entry frame, and the protopage. So I addes only an entry frame.

I made 3 pages with the template


I changed the code in the makepagesicon into:

icon.nextSibling.childNodes[2].duplicate(templateData.presentation[0].page.length - 1);

icon.nextSibling.attributes.title = templateData.presentation[0].name;

//set the page titles
for (i = 0; i < templateData.presentation[0].page.length; i++){
  icon.nextSibling.childNodes[i].attributes.title = templateData.presentation[0].page[i].name;
}


If I preview the presentation and I got only one page: Page 2. It contains the right text and picture but there should be 3 pages.

Then  I changed
icon.nextSibling.childNodes[2].duplicate(templateData.presentation[0].page.length - 1);
into
icon.nextSibling.childNodes[1].duplicate(templateData.presentation[0].page.length - 1);

Then with previewing I got 3 pages,  it doesn't show page 1, then it shows page 2 and 3 (with correct pictures and text) and then it shows a page undefined.

I should think icon.nextSibling.childNodes[2] is the protoPage? But why doesn't that work? and why do I get some result with icon.nextSibling.childNodes[1]? And why I don't get page 1 then?

Patricia




----- Original Message -----
From: Dave Burnett<mailto:d_b_burnett at hotmail.com>
To: Xerte list<mailto:xerte at lists.nottingham.ac.uk>
Sent: Friday, April 01, 2011 8:21 PM
Subject: [Xerte] Re: simple presentation


You have to be very careful around template architecture.

You see the script icon above the Interface icon called makePages?
Open it up and look at the first line of code.

icon.nextSibling.firstChild.duplicate(templateData.presentation[0].page.length - 1);

That is making the pages of your presentation:

icon = here, this icon
nextSibling = next icon downward
firstChild = next icon rightward
duplicate = duplicate

So it is saying, duplicate the protoPage icon x number of times.

When you insert your entry pane on to the Interface page, you have inserted a sibling between makePages and the target, protoPage.
So the relative logic is destroyed and the piece is not being built.

You would have to adjust all the relative references in the piece to take into account the added entrypane icon.

HTH
Dave











________________________________
From: patricia at e-w-i.nl
To: xerte at lists.nottingham.ac.uk
Date: Fri, 1 Apr 2011 18:23:44 +0200
Subject: [Xerte] simple presentation
Hi, I am very new in Xerte.
I am trying to understand the simple presentation template.
I would like to ad an entry frame to the interface icon and then add som cusom buttons.
However, when I insert an entry frame,  the application doesn't work correctly anymore. The text icon shows 'undefined' and I cannot go through the pages.
What I am doing wrong?

Thanks for any help
Patricia

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