Support for SCL script database storage, editing and execution

[simantics/platform.git] / bundles / org.simantics.modeling.ui / src / org / simantics / modeling / ui / scl / scriptEditor / SCLScriptEditorInput.java

diff --git a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/scl/scriptEditor/SCLScriptEditorInput.java b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/scl/scriptEditor/SCLScriptEditorInput.java
new file mode 100644 (file)
index 0000000..90a87cb
--- /dev/null
+++ b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/scl/scriptEditor/SCLScriptEditorInput.java
@@ -0,0 +1,114 @@
+/*******************************************************************************
+ * Copyright (c) 2017 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Semantum Oy - initial API and implementation
+ *******************************************************************************/
+package org.simantics.modeling.ui.scl.scriptEditor;
+
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.IMemento;
+import org.eclipse.ui.IPersistableElement;
+import org.simantics.Simantics;
+import org.simantics.db.exception.DatabaseException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * @author Tuukka Lehtonen
+ * @since 1.31.0
+ */
+public class SCLScriptEditorInput implements IEditorInput, IPersistableElement {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(SCLScriptEditorInput.class);
+
+    private final String scriptURI;
+
+    public SCLScriptEditorInput(String scriptURI) {
+        this.scriptURI = scriptURI;
+    }
+
+    public String getScriptURI() {
+        return scriptURI;
+    }
+
+    @Override
+    public boolean exists() {
+        // Not worth it testing this from the database.
+        return true;
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public <T> T getAdapter(Class<T> adapter) {
+        if (adapter.equals(SCLScriptSource.class)) {
+            try {
+                return (T) Simantics.getSession().syncRequest(new ReadSCLScriptSource(scriptURI));
+            } catch (DatabaseException e) {
+                LOGGER.error("Failed to read SCL script source", e);
+            }
+        }
+        if (adapter.equals(IPersistableElement.class))
+            return (T) this;
+        return null;
+    }
+
+    @Override
+    public String getFactoryId() {
+        return "org.simantics.modeling.ui.scl.scriptEditor.inputFactory";
+    }
+
+    @Override
+    public String getName() {
+        int p = scriptURI.lastIndexOf('/');
+        if(p >= 0)
+            return scriptURI.substring(p+1);
+        else
+            return scriptURI;
+    }
+
+    @Override
+    public String getToolTipText() {
+        return scriptURI;
+    }
+
+    @Override
+    public ImageDescriptor getImageDescriptor() {
+        return null;
+    }
+
+    @Override
+    public IPersistableElement getPersistable() {
+        return this;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((scriptURI == null) ? 0 : scriptURI.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null || getClass() != obj.getClass())
+            return false;
+        SCLScriptEditorInput other = (SCLScriptEditorInput) obj;
+        return scriptURI.equals(other.scriptURI);
+    }
+
+    @Override
+    public void saveState(IMemento memento) {
+        memento.putTextData(scriptURI);
+    }
+
+}