bundles/org.simantics.scl.ui/src/org/simantics/scl/ui/modulebrowser/CreateModuleDialog.java

   1 package org.simantics.scl.ui.modulebrowser;
   2
   3 import java.io.IOException;
   4 import java.util.ArrayList;
   5
   6 import org.eclipse.core.runtime.Status;
   7 import org.eclipse.jface.dialogs.Dialog;
   8 import org.eclipse.jface.dialogs.ErrorDialog;
   9 import org.eclipse.jface.dialogs.IDialogConstants;
  10 import org.eclipse.jface.layout.GridDataFactory;
  11 import org.eclipse.jface.layout.GridLayoutFactory;
  12 import org.eclipse.swt.SWT;
  13 import org.eclipse.swt.events.DisposeEvent;
  14 import org.eclipse.swt.events.DisposeListener;
  15 import org.eclipse.swt.events.ModifyEvent;
  16 import org.eclipse.swt.events.ModifyListener;
  17 import org.eclipse.swt.events.SelectionAdapter;
  18 import org.eclipse.swt.events.SelectionEvent;
  19 import org.eclipse.swt.graphics.Color;
  20 import org.eclipse.swt.widgets.Button;
  21 import org.eclipse.swt.widgets.Composite;
  22 import org.eclipse.swt.widgets.Control;
  23 import org.eclipse.swt.widgets.Label;
  24 import org.eclipse.swt.widgets.Shell;
  25 import org.eclipse.swt.widgets.Text;
  26 import org.osgi.framework.Bundle;
  27 import org.simantics.scl.osgi.SCLOsgi;
  28 import org.simantics.scl.ui.editor2.OpenSCLModule;
  29 import org.simantics.scl.ui.modulebrowser.PluginSelectionDialog.Entry;
  30
  31 import gnu.trove.map.hash.THashMap;
  32
  33 public class CreateModuleDialog extends Dialog {
  34
  35     SCLModuleBrowser parentBrowser;
  36
  37     String initialPackageName = "";
  38     String initialPluginName = "";
  39
  40     Text packageName;
  41     Text moduleName;
  42     Text pluginName;
  43     private THashMap<String,Bundle> bundles;
  44
  45     private Color normalBackground;
  46     private Color errorBackground;
  47
  48     protected CreateModuleDialog(Shell parentShell, SCLModuleBrowser parentBrowser) {
  49         super(parentShell);
  50         this.parentBrowser = parentBrowser;
  51         setShellStyle(SWT.RESIZE | SWT.TITLE | SWT.BORDER);
  52         bundles = CreateModuleAction.findGoodBundles();
  53
  54         normalBackground = parentShell.getDisplay().getSystemColor(SWT.COLOR_WHITE);
  55         errorBackground =  new Color(parentShell.getDisplay(), 255, 128, 128);
  56     }
  57
  58     @Override
  59     protected Control createDialogArea(Composite parent) {
  60         getShell().setText("Create New Module");
  61         getShell().addDisposeListener(new DisposeListener() {
  62             @Override
  63             public void widgetDisposed(DisposeEvent e) {
  64                 errorBackground.dispose();
  65             }
  66         });
  67
  68         final Composite composite = (Composite) super.createDialogArea(parent);
  69         GridLayoutFactory.fillDefaults().margins(10,10).numColumns(2).applyTo(composite);
  70         GridDataFactory.fillDefaults().grab(true,true).applyTo(composite);
  71
  72         // Package name
  73         Label packageNameLabel = new Label(composite, SWT.NONE);
  74         packageNameLabel.setText("Package");
  75         GridDataFactory.fillDefaults().applyTo(packageNameLabel);
  76
  77         packageName = new Text(composite, SWT.BORDER);
  78         GridDataFactory.fillDefaults().grab(true, false).minSize(500, SWT.DEFAULT).applyTo(packageName);
  79         packageName.setText(initialPackageName);
  80         packageName.addModifyListener(modifyListener);
  81
  82         // Module name
  83         Label moduleNameLabel = new Label(composite, SWT.NONE);
  84         moduleNameLabel.setText("Module name");
  85         GridDataFactory.fillDefaults().applyTo(moduleNameLabel);
  86
  87         moduleName = new Text(composite, SWT.BORDER);
  88         GridDataFactory.fillDefaults().grab(true, false).applyTo(moduleName);
  89         moduleName.addModifyListener(modifyListener);
  90
  91         // Plugin
  92         Label pluginNameLabel = new Label(composite, SWT.NONE);
  93         pluginNameLabel.setText("Plugin");
  94         GridDataFactory.fillDefaults().applyTo(pluginNameLabel);
  95
  96         Composite pluginNameComposite = new Composite(composite, SWT.NONE);
  97         GridDataFactory.fillDefaults().grab(true, false).applyTo(pluginNameComposite);
  98         GridLayoutFactory.fillDefaults().numColumns(2).applyTo(pluginNameComposite);
  99
 100         pluginName = new Text(pluginNameComposite, SWT.BORDER);
 101         GridDataFactory.fillDefaults().grab(true, false).applyTo(pluginName);
 102         pluginName.setText(initialPluginName);
 103         pluginName.addModifyListener(modifyListener);
 104
 105         Button browsePlugins = new Button(pluginNameComposite, SWT.PUSH);
 106         browsePlugins.setText("Browse...");
 107         GridDataFactory.fillDefaults().applyTo(browsePlugins);
 108         browsePlugins.addSelectionListener(new SelectionAdapter() {
 109             @Override
 110             public void widgetSelected(SelectionEvent e) {
 111                 browsePlugins();
 112             }
 113         });
 114
 115         // Focus
 116         moduleName.setFocus();
 117         parent.getDisplay().asyncExec(new Runnable() {
 118             @Override
 119             public void run() {
 120                 validate();
 121             }
 122         });
 123
 124         return composite;
 125     }
 126
 127     private void browsePlugins() {
 128         ArrayList<Entry> entries = new ArrayList<Entry>(bundles.size());
 129         String currentPackageName = packageName.getText();
 130         for(Bundle bundle : bundles.values())
 131             entries.add(new Entry(bundle, CreateModuleAction.packageMatchLength(bundle, currentPackageName)));
 132         PluginSelectionDialog dialog = new PluginSelectionDialog(getShell(), entries);
 133         if(dialog.open() == Dialog.OK) {
 134             Entry result = (Entry)dialog.getFirstResult();
 135             if(result != null) {
 136                 pluginName.setText(result.bundle.getSymbolicName());
 137                 validate();
 138             }
 139         }
 140     }
 141
 142     private void validate() {
 143         boolean validPackageName = CreateModuleValidator.isValidPackageName(packageName.getText());
 144         packageName.setBackground(validPackageName ? normalBackground : errorBackground);
 145
 146         boolean validModuleName = CreateModuleValidator.isValidModuleName(moduleName.getText());
 147         if(validModuleName && validPackageName) {
 148             String fullModuleName = packageName.getText() + "/" + moduleName.getText();
 149             validModuleName = SCLOsgi.SOURCE_REPOSITORY.getModuleSource(fullModuleName, null) == null;
 150         }
 151         moduleName.setBackground(validModuleName ? normalBackground : errorBackground);
 152
 153         boolean validPluginName = bundles.containsKey(pluginName.getText());
 154         pluginName.setBackground(validPluginName ? normalBackground : errorBackground);
 155
 156         getButton(IDialogConstants.OK_ID).setEnabled(validPackageName && validModuleName && validPackageName);
 157     }
 158
 159     private ModifyListener modifyListener = new ModifyListener() {
 160         @Override
 161         public void modifyText(ModifyEvent e) {
 162             validate();
 163         }
 164     };
 165
 166     public void setPackage(String initialPackageName) {
 167         this.initialPackageName = initialPackageName;
 168         this.initialPluginName = CreateModuleAction.findBestPlugin(bundles, initialPackageName);
 169     }
 170
 171     @Override
 172     protected void okPressed() {
 173         try {
 174             Bundle bundle = bundles.get(pluginName.getText());
 175             if(bundle != null) {
 176                 CreateModuleAction.createModule(bundle, packageName.getText(), moduleName.getText());
 177                 parentBrowser.refresh();
 178                 OpenSCLModule.openModule(packageName.getText() + "/" + moduleName.getText());
 179             }
 180         } catch (IOException e) {
 181             ErrorDialog.openError(getParentShell(), "Module creation failed", e.getMessage(),
 182                     new Status(Status.ERROR, "org.simantics.scl.ui", e.getMessage()));
 183         }
 184         super.okPressed();
 185     }
 186 }