Embedding a Editor in a Tool Window

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Gvillemos
Created

I want to embed a Editor in a Tool Window, to display snippets of (Java) code with syntax highlight, i.e. the main editor + a Tool Window with a code snippet that is syntax highlighted.

I have followed this example to create and add a FileEditor instance; https://intellij-support.jetbrains.com/hc/en-us/community/posts/206129029-Embedding-PsiAwareTextEditorImpl-in-a-tool-window-?input_string=Embedding%20a%20Editor%20in%20a%20Tool%20Window 

However I can figure out howto update the text displayed in the FileEditor. There seems to be no setFile() or setDocument() methods.

What am I doing wrong?

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Karol Lewandowski
Created

Hi,

I suggest checking if the created FileEditor is an instance of TextEditor and using TextEditor.getEditor().getDocument().setText().

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Yann Cebron
Created

See also https://plugins.jetbrains.com/docs/intellij/editor-components.html

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Gvillemos
Created

I suggest checking if the created FileEditor is an instance of TextEditor and using TextEditor.getEditor().getDocument().setText().

Perfect, worked like a charm. The object is a TextEditor and from that I can get set the text. 

fun setSuggestionText(suggestion: String) {
    if (editor is TextEditor) {
        val textEditor = editor as TextEditor

        WriteCommandAction.runWriteCommandAction(
            project,
        ) {
            textEditor.editor.document.setText(suggestion)
        }
    }
}
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