--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in 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.modeling.ui.preferences;\r
+\r
+import java.util.ArrayList;\r
+import java.util.Collections;\r
+import java.util.List;\r
+\r
+import org.eclipse.core.runtime.preferences.InstanceScope;\r
+import org.eclipse.jface.preference.FieldEditor;\r
+import org.eclipse.jface.preference.FieldEditorPreferencePage;\r
+import org.eclipse.jface.preference.IPreferenceStore;\r
+import org.eclipse.swt.SWT;\r
+import org.eclipse.swt.events.SelectionAdapter;\r
+import org.eclipse.swt.events.SelectionEvent;\r
+import org.eclipse.swt.layout.GridData;\r
+import org.eclipse.swt.widgets.Combo;\r
+import org.eclipse.swt.widgets.Composite;\r
+import org.eclipse.swt.widgets.Control;\r
+import org.eclipse.ui.IWorkbench;\r
+import org.eclipse.ui.IWorkbenchPreferencePage;\r
+import org.eclipse.ui.preferences.ScopedPreferenceStore;\r
+import org.simantics.Simantics;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.request.ObjectsWithType;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.request.Read;\r
+import org.simantics.diagram.flag.DiagramFlagPreferences;\r
+import org.simantics.diagram.stubs.DiagramResource;\r
+import org.simantics.layer0.Layer0;\r
+import org.simantics.modeling.ui.Activator;\r
+import org.simantics.utils.datastructures.map.Tuple;\r
+import org.simantics.utils.ui.ExceptionUtils;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class DiagramFlagPreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage {\r
+\r
+ private SchemeSelector scheme;\r
+ private List<LabelingScheme> schemes;\r
+\r
+ public DiagramFlagPreferencePage() {\r
+ super(FLAT);\r
+ }\r
+\r
+ @Override\r
+ public void init(IWorkbench workbench) {\r
+ }\r
+\r
+ @Override\r
+ protected IPreferenceStore doGetPreferenceStore() {\r
+ return new ScopedPreferenceStore(InstanceScope.INSTANCE, Activator.PLUGIN_ID);\r
+ }\r
+\r
+ static class LabelingScheme extends Tuple {\r
+ public LabelingScheme(String label, String description, String uri, Resource scheme) {\r
+ super(label, description, uri, scheme);\r
+ }\r
+ public String getLabel() {\r
+ return (String) getField(0);\r
+ }\r
+ public String getDescription() {\r
+ return (String) getField(1);\r
+ }\r
+ public String getURI() {\r
+ return (String) getField(2);\r
+ }\r
+ public Resource getResource() {\r
+ return (Resource) getField(3);\r
+ }\r
+ }\r
+\r
+ static class SchemeSelector extends FieldEditor {\r
+\r
+ /**\r
+ * The <code>Combo</code> widget.\r
+ */\r
+ private Combo fCombo;\r
+\r
+ /**\r
+ * The value (not the name) of the currently selected item in the Combo widget.\r
+ */\r
+ private LabelingScheme fValue;\r
+\r
+ private LabelingScheme fOriginalValue;\r
+\r
+ private LabelingScheme fDefaultValue;\r
+\r
+ private List<LabelingScheme> fValues;\r
+\r
+ /**\r
+ * Create the combo box field editor.\r
+ * \r
+ * @param label the name of the preference this field editor works on\r
+ * @param labelText the label text of the field editor\r
+ * @param entryNamesAndValues the names (labels) and underlying values to populate the combo widget. These should be\r
+ * arranged as: { {name1, value1}, {name2, value2}, ...}\r
+ * @param parent the parent composite\r
+ */\r
+ public SchemeSelector(String labelText, List<LabelingScheme> values, LabelingScheme originalValue, LabelingScheme defaultValue, Composite parent) {\r
+ init("labelingScheme", labelText);\r
+ fValues = values;\r
+ fOriginalValue = originalValue;\r
+ fDefaultValue = defaultValue;\r
+ createControl(parent);\r
+ }\r
+\r
+ protected void adjustForNumColumns(int numColumns) {\r
+ if (numColumns > 1) {\r
+ Control control = getLabelControl();\r
+ int left = numColumns;\r
+ if (control != null) {\r
+ ((GridData)control.getLayoutData()).horizontalSpan = 1;\r
+ left = left - 1;\r
+ }\r
+ ((GridData)fCombo.getLayoutData()).horizontalSpan = left;\r
+ } else {\r
+ Control control = getLabelControl();\r
+ if (control != null) {\r
+ ((GridData)control.getLayoutData()).horizontalSpan = 1;\r
+ }\r
+ ((GridData)fCombo.getLayoutData()).horizontalSpan = 1;\r
+ }\r
+ }\r
+\r
+ protected void doFillIntoGrid(Composite parent, int numColumns) {\r
+ int comboC = 1;\r
+ if (numColumns > 1) {\r
+ comboC = numColumns - 1;\r
+ }\r
+ Control control = getLabelControl(parent);\r
+ GridData gd = new GridData();\r
+ gd.horizontalSpan = 1;\r
+ control.setLayoutData(gd);\r
+ control = getComboBoxControl(parent);\r
+ gd = new GridData();\r
+ gd.horizontalSpan = comboC;\r
+ gd.horizontalAlignment = GridData.FILL;\r
+ control.setLayoutData(gd);\r
+ control.setFont(parent.getFont());\r
+ }\r
+\r
+ public int getNumberOfControls() {\r
+ return 2;\r
+ }\r
+\r
+ private Combo getComboBoxControl(Composite parent) {\r
+ if (fCombo == null) {\r
+ fCombo = new Combo(parent, SWT.READ_ONLY);\r
+ fCombo.setFont(parent.getFont());\r
+ for (int i = 0; i < fValues.size(); i++) {\r
+ fCombo.add(fValues.get(i).getLabel(), i);\r
+ }\r
+\r
+ fCombo.addSelectionListener(new SelectionAdapter() {\r
+ public void widgetSelected(SelectionEvent evt) {\r
+ LabelingScheme oldValue = fValue;\r
+ String name = fCombo.getText();\r
+ fValue = getValueForName(name);\r
+ setPresentsDefaultValue(false);\r
+ fireValueChanged(VALUE, oldValue, fValue);\r
+ }\r
+ });\r
+ }\r
+ return fCombo;\r
+ }\r
+\r
+ private LabelingScheme getValueForName(String name) {\r
+ for (int i = 0; i < fValues.size(); i++) {\r
+ LabelingScheme scheme = fValues.get(i);\r
+ if (scheme.getLabel().equals(name)) {\r
+ return scheme;\r
+ }\r
+ }\r
+ return fValues.get(0);\r
+ }\r
+\r
+ private void updateComboForValue(LabelingScheme value) {\r
+ fValue = value;\r
+ for (int i = 0; i < fValues.size(); i++) {\r
+ if (value.equals(fValues.get(i))) {\r
+ fCombo.setText(value.getLabel());\r
+ return;\r
+ }\r
+ }\r
+ if (fValues.size() > 0) {\r
+ fValue = fValues.get(0);\r
+ fCombo.setText(fValue.getLabel());\r
+ }\r
+ }\r
+\r
+ public void setEnabled(boolean enabled, Composite parent) {\r
+ super.setEnabled(enabled, parent);\r
+ getComboBoxControl(parent).setEnabled(enabled);\r
+ }\r
+\r
+ @Override\r
+ protected void doLoad() {\r
+ updateComboForValue(fOriginalValue);\r
+ }\r
+\r
+ protected void doLoadDefault() {\r
+ updateComboForValue(fDefaultValue);\r
+ }\r
+\r
+ @Override\r
+ protected void doStore() {\r
+ if (fValue == null) {\r
+ fOriginalValue = fDefaultValue;\r
+ DiagramFlagPreferences.setProjectFlagLabelingScheme(fDefaultValue.getResource());\r
+ return;\r
+ }\r
+ fOriginalValue = fValue;\r
+ DiagramFlagPreferences.setProjectFlagLabelingScheme(fValue.getResource());\r
+ }\r
+\r
+ }\r
+\r
+ static class FindSchemes implements Read<List<LabelingScheme>> {\r
+ @Override\r
+ public List<LabelingScheme> perform(ReadGraph graph) throws DatabaseException {\r
+ DiagramResource DIA = DiagramResource.getInstance(graph);\r
+ Layer0 L0 = Layer0.getInstance(graph);\r
+ List<LabelingScheme> result = new ArrayList<LabelingScheme>();\r
+ for (Resource scheme : graph.syncRequest(new ObjectsWithType(DIA.FlagLabelingScheme, L0.ConsistsOf, DIA.FlagLabelingScheme))) {\r
+ String label = graph.adapt(scheme, String.class);\r
+ String description = graph.getPossibleRelatedValue(scheme, L0.HasDescription);\r
+ String uri = graph.getURI(scheme);\r
+ result.add(new LabelingScheme(label, description, uri, scheme));\r
+ }\r
+ return result;\r
+ }\r
+ }\r
+\r
+ @Override\r
+ protected void createFieldEditors() {\r
+ schemes = Collections.emptyList();\r
+ Resource schemeValue = null;\r
+ try {\r
+ schemes = Simantics.getSession().syncRequest(new FindSchemes());\r
+ schemeValue = DiagramFlagPreferences.getActiveFlagLabelingSchemeResource(Simantics.getSession());\r
+ } catch (DatabaseException e) {\r
+ ExceptionUtils.logAndShowError(e);\r
+ }\r
+\r
+ LabelingScheme previousValue = null;\r
+ LabelingScheme defaultValue = null;\r
+\r
+ for (int i = 0; i < schemes.size(); ++i) {\r
+ LabelingScheme s = schemes.get(i);\r
+ if (DiagramResource.URIs.FlagLabelingScheme_Alphabetical.equals(s.getURI()))\r
+ defaultValue = s;\r
+ }\r
+ if (defaultValue == null && !schemes.isEmpty())\r
+ defaultValue = schemes.get(0);\r
+\r
+ if (schemeValue != null) {\r
+ for (int i = 0; i < schemes.size(); ++i) {\r
+ LabelingScheme s = schemes.get(i);\r
+ if (schemeValue.equals(s.getResource()))\r
+ previousValue = s;\r
+ }\r
+ }\r
+ if (previousValue == null)\r
+ previousValue = defaultValue;\r
+\r
+ scheme = new SchemeSelector("Labeling Scheme", schemes, previousValue, defaultValue, getFieldEditorParent());\r
+ addField(scheme);\r
+ }\r
+\r
+}\r
Code Review / simantics / platform.git / blobdiff