bundles/org.simantics.modeling.template2d.ui/src/org/simantics/modeling/template2d/ui/wizard/DrawingTemplateExportPage.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012 Association for Decentralized Information Management in
   3  * Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.modeling.template2d.ui.wizard;
  13
  14 import java.io.File;
  15 import java.util.Collections;
  16 import java.util.List;
  17
  18 import org.eclipse.jface.layout.GridDataFactory;
  19 import org.eclipse.jface.wizard.WizardPage;
  20 import org.eclipse.swt.SWT;
  21 import org.eclipse.swt.custom.CCombo;
  22 import org.eclipse.swt.events.ModifyEvent;
  23 import org.eclipse.swt.events.ModifyListener;
  24 import org.eclipse.swt.events.SelectionAdapter;
  25 import org.eclipse.swt.events.SelectionEvent;
  26 import org.eclipse.swt.layout.GridData;
  27 import org.eclipse.swt.layout.GridLayout;
  28 import org.eclipse.swt.widgets.Button;
  29 import org.eclipse.swt.widgets.Composite;
  30 import org.eclipse.swt.widgets.FileDialog;
  31 import org.eclipse.swt.widgets.Label;
  32 import org.simantics.databoard.Bindings;
  33 import org.simantics.db.Resource;
  34 import org.simantics.db.common.NamedResource;
  35 import org.simantics.db.common.primitiverequest.RelatedValue;
  36 import org.simantics.db.exception.DatabaseException;
  37 import org.simantics.db.layer0.SelectionHints;
  38 import org.simantics.layer0.Layer0;
  39 import org.simantics.utils.ui.ISelectionUtils;
  40
  41 /**
  42  * @author Tuukka Lehtonen
  43  * @author Teemu Mätäsniemi
  44  */
  45 public class DrawingTemplateExportPage extends WizardPage {
  46
  47     ExportPlan          exportModel;
  48     CCombo              model;
  49     CCombo              exportLocation;
  50
  51     List<NamedResource> models = Collections.emptyList();
  52     private Button      overwrite;
  53
  54     protected DrawingTemplateExportPage(ExportPlan model) {
  55         super("Export Diagram Template", "Define Export Location", null);
  56         this.exportModel = model;
  57     }
  58
  59     @Override
  60     public void createControl(Composite parent) {
  61         Composite container = new Composite(parent, SWT.NONE);
  62         {
  63             GridLayout layout = new GridLayout();
  64             layout.horizontalSpacing = 20;
  65             layout.verticalSpacing = 10;
  66             layout.numColumns = 3;
  67             container.setLayout(layout);
  68         }
  69
  70         new Label(container, SWT.NONE).setText("&Exported template:");
  71         model = new CCombo(container, SWT.BORDER);
  72         {
  73             model.setEditable(false);
  74             model.setText("");
  75             model.setToolTipText("Selects the diagram template to export a state from.");
  76             GridDataFactory.fillDefaults().grab(true, false).span(2, 1).applyTo(model);
  77             model.addModifyListener(new ModifyListener(){
  78                 @Override
  79                 public void modifyText(ModifyEvent e) {
  80                     validatePage();
  81                 }
  82             });
  83         }
  84
  85         new Label(container, SWT.NONE).setText("&Target file:");
  86         exportLocation = new CCombo(container, SWT.BORDER);
  87         {
  88             exportLocation.setText("");
  89             GridDataFactory.fillDefaults().grab(true, false).span(1, 1).applyTo(exportLocation);
  90             exportLocation.addModifyListener(new ModifyListener(){
  91                 @Override
  92                 public void modifyText(ModifyEvent e) {
  93                     validatePage();
  94                 }
  95             });
  96         }
  97         Button browseFileButton = new Button(container, SWT.PUSH);
  98         {
  99             browseFileButton.setText("Browse...");
 100             browseFileButton.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false));
 101             browseFileButton.addSelectionListener(new SelectionAdapter() {
 102                 @Override
 103                 public void widgetSelected(SelectionEvent e) {
 104                     FileDialog dialog = new FileDialog(getShell(), SWT.SAVE);
 105                     dialog.setText("Choose Export Target File");
 106                     String loc = exportLocation.getText();
 107                     dialog.setFilterPath(loc);
 108                     dialog.setFilterExtensions(new String[] { "*.diagramTemplate" });
 109                     dialog.setFilterNames(new String[] { "Diagram Template (*.diagramTemplate)" });
 110                     dialog.setOverwrite(false);
 111                     String file = dialog.open();
 112                     if (file == null)
 113                         return;
 114                     exportLocation.setText(file);
 115                     validatePage();
 116                 }
 117             });
 118         }
 119
 120         Label horizRule = new Label(container, SWT.BORDER);
 121         GridDataFactory.fillDefaults().hint(SWT.DEFAULT, 0).grab(true, false).span(3, 1).applyTo(horizRule);
 122
 123         overwrite = new Button(container, SWT.CHECK);
 124         overwrite.setText("&Overwrite existing files without warning");
 125         overwrite.setSelection(exportModel.overwrite);
 126         GridDataFactory.fillDefaults().grab(true, false).span(3, 1).applyTo(overwrite);
 127         overwrite.addSelectionListener(new SelectionAdapter() {
 128             @Override
 129             public void widgetSelected(SelectionEvent e) {
 130                 validatePage();
 131             }
 132         });
 133
 134         try {
 135             initializeData();
 136         } catch (DatabaseException e) {
 137             e.printStackTrace();
 138         }
 139
 140         setControl(container);
 141         validatePage();
 142     }
 143
 144     private void initializeData() throws DatabaseException {
 145         List<Resource> drawingTemplates = ISelectionUtils.getPossibleKeys(exportModel.selection, SelectionHints.KEY_MAIN, Resource.class);
 146         // FIXME: YUCK! Do not do this.
 147         if(drawingTemplates.size() != 1) throw new RuntimeException();
 148
 149         Layer0 L0 = Layer0.getInstance(exportModel.sessionContext.getSession());
 150         String name = exportModel.sessionContext.getSession().sync(new RelatedValue<String>(drawingTemplates.get(0), L0.HasName, Bindings.STRING));
 151
 152         // Load all states in the selected model
 153         exportModel.model = new NamedResource(name, drawingTemplates.get(0));
 154         models = Collections.singletonList(exportModel.model);
 155
 156         // Populate combo boxes
 157         int i = 0;
 158         for (NamedResource m : models) {
 159             model.add(m.getName());
 160             model.setData(String.valueOf(i), m);
 161             if (m.equals(exportModel.model))
 162                 model.select(i);
 163             ++i;
 164         }
 165
 166         for (String path : exportModel.recentLocations) {
 167             exportLocation.add(path);
 168         }
 169         if (exportLocation.getItemCount() > 0)
 170             exportLocation.select(0);
 171     }
 172
 173     void validatePage() {
 174         if (exportModel.model == null) {
 175             setMessage("Select model to export from.");
 176             setErrorMessage(null);
 177             setPageComplete(false);
 178             return;
 179         }
 180
 181         String exportLoc = exportLocation.getText();
 182         if (exportLoc.isEmpty()) {
 183             setMessage("Select target file.");
 184             setErrorMessage(null);
 185             setPageComplete(false);
 186             return;
 187         }
 188         if (!exportLoc.endsWith(".diagramTemplate"))
 189             exportLoc += exportLoc.endsWith(".") ? "diagramTemplate" : ".diagramTemplate";
 190         File file = new File(exportLoc);
 191         if (file.isDirectory()) {
 192             setErrorMessage("The target is a directory.");
 193             setPageComplete(false);
 194             return;
 195         }
 196         File parent = file.getParentFile();
 197         if (parent == null || !parent.isDirectory()) {
 198             setErrorMessage("The target directory does not exist.");
 199             setPageComplete(false);
 200             return;
 201         }
 202         exportModel.exportLocation = file;
 203         exportModel.overwrite = overwrite.getSelection();
 204
 205         setErrorMessage(null);
 206         setMessage("Export diagram template to " + exportLoc + ".");
 207         setPageComplete(true);
 208     }
 209
 210 }