Thanks for the suggestion Benjamin.
On Fri, Sep 18, 2009 at 6:29 AM, Benjamin Gudehus
<hasteb...@googlemail.com> wrote:
> Hallo Nils!
>
> I had the very same problem with ColorThemingStyle.
>
> To solve it you need to change the following two things
>
> 1. With lyrTest.addStyle(ctStyle) an _additional_ style is added. It's
> better to modify the already
> existing styles (OpenJUMP creates these automaticly during the creation
> of the layer). This
> is possible for instance for ColorThemingStyles using the method
> ColorThemingStyle.get().
>
> 2. To map the attribute values to colors you need to define two maps. One
> containing the colours for
> the values and another one containing its labels. Use the methods
> ColorThemingStyle
> .setAttributeValueToBasicStyleMap(), resp.
> ColorThemingStyle.setAttributeValueToLabelMap().
>
> Here's my code (in Groovy):
>
> <code>
> def colorThemingStyle = ColorThemingStyle.get(layer)
> colorThemingStyle.setAttributeName("ATTRIBUTE_NAME")
> colorThemingStyle.setDefaultStyle(new BasicStyle(Color.gray))
> colorThemingStyle.setAttributeValueToBasicStyleMap([
> 0: new BasicStyle(Color.green),
> 1: new BasicStyle(Color.red),
> ] as HashMap)
> colorThemingStyle.setAttributeValueToLabelMap([
> 0: "Linked",
> 1: "Not linked",
> ] as HashMap)
> colorThemingStyle.setEnabled(true)
> layer.fireAppearanceChanged()
> </code>
>
> Hope this solves your problem :)
>
> Greetings from Hannover,
>
> Benjamin Gudehus
>
>> Hi all,
>> I am using OJ as a platform for developing GIS-solutions in implementing
>> OJ-Plugins.
>> I am doing this for maybe one and a half year and first I would like to
>> thank everybody who participates in developing OJ now and in the past!
>>
>>
>> There is a lot of great work in the code and I've learned a lot out of
>> it yet.
>> Now my question:
>> I want to change the style of some layers programmatically and my first
>> approach is like this:
>> <CODE>
>>
>>
>> Layer lyrTest = context.getLayerManager().getLayer("test");
>> lyrTest.getBasicStyle().setEnabled(false);
>> HashMap attributeToStyleMap = new HashMap();
>> attributeToStyleMap.put(18, new BasicStyle(Color.red));
>>
>>
>> attributeToStyleMap.put(19, new BasicStyle(Color.blue));
>> attributeToStyleMap.put(20, new BasicStyle(Color.cyan));
>> ColorThemingStyle ctStyle = new
>> ColorThemingStyle("BGVNR",attributeToStyleMap,new BasicStyle(Color.gray));
>>
>>
>> ctStyle.setEnabled(true);
>> lyrTest.addStyle(ctStyle);
>> lyrTest.fireAppearanceChanged();
>> </CODE>
>> This example works fine and the LayerViewPanel shows the changed styles.
>> But the OJ-standard-menu "Change styles" isn't updated (the colour
>>
>>
>> theming isn't enabled and the Fill- and Line-Checkboxes are still set).
>> How can I do that???
>> I would be happy if anybody could help me!
>> Nils
>
>
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