Move some GraphFile UI from Simupedia to platform

[simantics/platform.git] / bundles / org.simantics.graphfile.ui / src / org / simantics / graphfile / ui / editor / PlainTextEditor.java

diff --git a/bundles/org.simantics.graphfile.ui/src/org/simantics/graphfile/ui/editor/PlainTextEditor.java b/bundles/org.simantics.graphfile.ui/src/org/simantics/graphfile/ui/editor/PlainTextEditor.java
new file mode 100644 (file)
index 0000000..d30210f
--- /dev/null
+++ b/bundles/org.simantics.graphfile.ui/src/org/simantics/graphfile/ui/editor/PlainTextEditor.java
@@ -0,0 +1,92 @@
+package org.simantics.graphfile.ui.editor;
+
+import java.util.function.Supplier;
+
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.IEditorSite;
+import org.eclipse.ui.PartInitException;
+import org.eclipse.ui.editors.text.TextEditor;
+import org.simantics.Simantics;
+import org.simantics.db.Session;
+import org.simantics.db.common.request.ParametrizedRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.request.combinations.Combinators;
+import org.simantics.ui.workbench.IResourceEditorInput;
+import org.simantics.ui.workbench.ResourceEditorSupport;
+import org.simantics.ui.workbench.TitleRequest;
+import org.simantics.ui.workbench.TitleUpdater;
+import org.simantics.ui.workbench.ToolTipRequest;
+import org.simantics.ui.workbench.editor.input.InputValidationCombinators;
+
+/**
+ * @author Antti Villberg
+ */
+public class PlainTextEditor extends TextEditor {
+
+    boolean isDisposed = false;
+
+    ParametrizedRead<IResourceEditorInput, Boolean> INPUT_VALIDATOR =
+            Combinators.compose(
+                    InputValidationCombinators.hasURI(),
+                    InputValidationCombinators.extractInputResource()
+            );
+
+    ResourceEditorSupport support;
+
+    public PlainTextEditor() {
+        super();
+        setDocumentProvider(new PlainTextEditorDocumentProvider());
+        //setSourceViewerConfiguration(new QueueTextEditorViewerConfiguration(new QueueTextEditorColorManager()));
+    }
+
+    @Override
+    public void init(IEditorSite site, IEditorInput input) throws PartInitException {
+        super.init(site, input);
+
+        support = new ResourceEditorSupport(this, INPUT_VALIDATOR);
+        support.activateValidation();
+        try {
+            getResourceEditorInput().init(null);
+        } catch (DatabaseException e) {
+            throw new PartInitException("Failed to initialize " + input, e);
+        }
+    }
+
+    protected IResourceEditorInput getResourceEditorInput() {
+        return (IResourceEditorInput) getEditorInput();
+    }
+
+    @Override
+    public void createPartControl(Composite parent) {
+        super.createPartControl(parent);
+        updatePartName();
+    }
+
+    private void updatePartName() {
+        setPartName(getEditorInput().getName());
+
+        Session session = Simantics.peekSession();
+        if (session != null) {
+            Supplier<Boolean> disposedCallback = () -> isDisposed;
+            session.asyncRequest(
+                    new TitleRequest(null, getResourceEditorInput()),
+                    new TitleUpdater(getSite().getShell().getDisplay(), this::setPartName, disposedCallback));
+            session.asyncRequest(
+                    new ToolTipRequest(getSite().getId(), getResourceEditorInput()),
+                    new TitleUpdater(getSite().getShell().getDisplay(), this::setTitleToolTip, disposedCallback));
+        }
+
+    }
+
+    @Override
+    public void dispose() {
+        isDisposed = true;
+        if (support != null) {
+            support.dispose();
+            support = null;
+        }
+        super.dispose();
+    }
+
+}