Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.document.ui / src / org / simantics / document / ui / CSSEditor.java

diff --git a/bundles/org.simantics.document.ui/src/org/simantics/document/ui/CSSEditor.java b/bundles/org.simantics.document.ui/src/org/simantics/document/ui/CSSEditor.java
new file mode 100644 (file)
index 0000000..addc971
--- /dev/null
+++ b/bundles/org.simantics.document.ui/src/org/simantics/document/ui/CSSEditor.java
@@ -0,0 +1,137 @@
+/*******************************************************************************\r
+ * Copyright (c) 2012 Association for Decentralized Information Management in\r
+ * Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.document.ui;\r
+\r
+import java.util.function.Supplier;\r
+\r
+import org.eclipse.swt.widgets.Composite;\r
+import org.eclipse.swt.widgets.Display;\r
+import org.eclipse.ui.IEditorInput;\r
+import org.eclipse.ui.IEditorSite;\r
+import org.eclipse.ui.PartInitException;\r
+import org.eclipse.ui.PlatformUI;\r
+import org.eclipse.ui.editors.text.TextEditor;\r
+import org.eclipse.ui.texteditor.ITextEditorActionConstants;\r
+import org.eclipse.ui.texteditor.StatusLineContributionItem;\r
+import org.simantics.Simantics;\r
+import org.simantics.db.Session;\r
+import org.simantics.db.common.request.ParametrizedRead;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.request.combinations.Combinators;\r
+import org.simantics.ui.workbench.IResourceEditorInput;\r
+import org.simantics.ui.workbench.ResourceEditorSupport;\r
+import org.simantics.ui.workbench.TitleUpdater;\r
+import org.simantics.ui.workbench.TitleWithParentNameRequest;\r
+import org.simantics.ui.workbench.ToolTipRequest;\r
+import org.simantics.ui.workbench.editor.input.InputValidationCombinators;\r
+\r
+\r
+/**\r
+ * @author Antti Villberg;\r
+ */\r
+public class CSSEditor extends TextEditor {\r
+\r
+       public static final String EDITOR_ID = "org.simantics.document.ui.csseditor";\r
+       \r
+    private boolean disposed = false;\r
+\r
+    private ParametrizedRead<IResourceEditorInput, Boolean> INPUT_VALIDATOR =\r
+            Combinators.compose(\r
+                    InputValidationCombinators.hasURI(),\r
+                    InputValidationCombinators.extractInputResource()\r
+            );\r
+\r
+    private ResourceEditorSupport support;\r
+\r
+    public CSSEditor() {\r
+        super();\r
+        preInitialize();\r
+    }\r
+    \r
+    @Override\r
+    public boolean isTabsToSpacesConversionEnabled() {\r
+       return true;\r
+    }\r
+    \r
+    protected void preInitialize() {\r
+        //showOverviewRuler();\r
+        Display display = PlatformUI.getWorkbench().getDisplay();\r
+        CSSSourceViewerConfiguration sourceViewer = new CSSSourceViewerConfiguration(display, new SharedTextColors(display));\r
+        setDocumentProvider(new CSSModuleEditorDocumentProvider(sourceViewer));\r
+        setSourceViewerConfiguration(sourceViewer);\r
+    }\r
+\r
+    protected ParametrizedRead<IResourceEditorInput, Boolean> getInputValidator() {\r
+        return INPUT_VALIDATOR;\r
+    }\r
+\r
+    @Override\r
+    public void init(IEditorSite site, IEditorInput input)\r
+            throws PartInitException {\r
+        super.init(site, input);\r
+\r
+        support = new ResourceEditorSupport(this, getInputValidator());\r
+        support.activateValidation();\r
+        try {\r
+            getResourceInput().init(null);\r
+        } catch (DatabaseException e) {\r
+            throw new PartInitException("Failed to initialize " + input, e);\r
+        }\r
+    }\r
+\r
+    protected IResourceEditorInput getResourceInput() {\r
+        return (IResourceEditorInput) getEditorInput();\r
+    }\r
+\r
+    @Override\r
+    public void createPartControl(Composite parent) {\r
+        super.createPartControl(parent);\r
+        StatusLineContributionItem statusLineContribution = new StatusLineContributionItem(\r
+                ITextEditorActionConstants.STATUS_CATEGORY_INPUT_POSITION,\r
+                true, 14);\r
+        setStatusField(statusLineContribution,\r
+                ITextEditorActionConstants.STATUS_CATEGORY_INPUT_POSITION);\r
+        getEditorSite().getActionBars().getStatusLineManager().add(statusLineContribution);\r
+        getEditorSite().getActionBars().updateActionBars();\r
+        updatePartName();\r
+    }\r
+\r
+    protected void updatePartName() {\r
+        setPartName(getEditorInput().getName());\r
+\r
+        Session session = Simantics.peekSession();\r
+        if (session != null) {\r
+            Supplier<Boolean> disposedCallback = this::isDisposed;\r
+            session.asyncRequest(\r
+                    new TitleWithParentNameRequest(getResourceInput()),\r
+                    new TitleUpdater(getSite().getShell().getDisplay(), this::setPartName, disposedCallback));\r
+            session.asyncRequest(\r
+                    new ToolTipRequest(getSite().getId(), getResourceInput()),\r
+                    new TitleUpdater(getSite().getShell().getDisplay(), this::setTitleToolTip, disposedCallback));\r
+        }\r
+    }\r
+\r
+    @Override\r
+    public void dispose() {\r
+        disposed = true;\r
+        if (support != null) {\r
+            support.dispose();\r
+            support = null;\r
+        }\r
+        super.dispose();\r
+    }\r
+\r
+    public boolean isDisposed() {\r
+        return disposed;\r
+    }\r
+\r
+}
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