lang-impl/src/com/intellij/ide/fileTemplates/ui/CreateFromTemplatePanel.java

   1 package com.intellij.ide.fileTemplates.ui;
   2
   3 import com.intellij.ide.IdeBundle;
   4 import com.intellij.ide.fileTemplates.FileTemplate;
   5 import com.intellij.ide.fileTemplates.actions.AttributesDefaults;
   6 import com.intellij.openapi.diagnostic.Logger;
   7 import com.intellij.openapi.ui.impl.DialogWrapperPeerImpl;
   8 import com.intellij.openapi.util.Pair;
   9 import com.intellij.openapi.util.TextRange;
  10 import org.jetbrains.annotations.Nullable;
  11
  12 import javax.swing.*;
  13 import java.awt.*;
  14 import java.util.ArrayList;
  15 import java.util.Arrays;
  16 import java.util.Properties;
  17
  18 /*
  19  * @author: MYakovlev
  20  */
  21
  22 public class CreateFromTemplatePanel{
  23   private static final Logger LOG = Logger.getInstance("#com.intellij.ide.fileTemplates.ui.CreateFromTemplatePanel");
  24
  25   private JPanel myMainPanel;
  26   private JPanel myAttrPanel;
  27   private JTextField myFilenameField;
  28   private String[] myUnsetAttributes;
  29   private ArrayList<Pair<String, JTextField>> myAttributes = new ArrayList<Pair<String,JTextField>>();
  30
  31   private int myLastRow = 0;
  32
  33   private int myHorisontalMargin = -1;
  34   private int myVerticalMargin = -1;
  35   private boolean myMustEnterName;
  36   private AttributesDefaults myAttributesDefaults;
  37
  38   public CreateFromTemplatePanel(final String[] unsetAttributes, final boolean mustEnterName,
  39                                  @Nullable final AttributesDefaults attributesDefaults){
  40     myMustEnterName = mustEnterName;
  41     myUnsetAttributes = unsetAttributes;
  42     myAttributesDefaults = attributesDefaults;
  43     Arrays.sort(myUnsetAttributes);
  44   }
  45
  46   public boolean hasSomethingToAsk() {
  47     return myMustEnterName || myUnsetAttributes.length != 0;
  48   }
  49
  50   public JComponent getComponent() {
  51     if (myMainPanel == null){
  52       myMainPanel = new JPanel(new GridBagLayout()){
  53         public Dimension getPreferredSize(){
  54           return getMainPanelPreferredSize(super.getPreferredSize());
  55         }
  56       };
  57       myAttrPanel = new JPanel(new GridBagLayout());
  58       JPanel myScrollPanel = new JPanel(new GridBagLayout());
  59       updateShown();
  60
  61       myScrollPanel.setBorder(null);
  62       int attrCount = myUnsetAttributes.length;
  63       if (myMustEnterName && !Arrays.asList(myUnsetAttributes).contains(FileTemplate.ATTRIBUTE_NAME)) {
  64         attrCount++;
  65       }
  66       Insets insets = (attrCount > 1) ? new Insets(2, 2, 2, 2) : new Insets(0, 0, 0, 0);
  67       myScrollPanel.add(myAttrPanel,  new GridBagConstraints(0, 0, 1, 1, 1.0, 0.0, GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL, insets, 0, 0));
  68       if (attrCount > 1) {
  69         myScrollPanel.add(new JPanel(), new GridBagConstraints(0, 1, 1, 1, 0.0, 1.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH, new Insets(2, 2, 2, 2), 0, 0));
  70         JScrollPane attrScroll = new JScrollPane(myScrollPanel);
  71         attrScroll.setViewportBorder(null);
  72         myMainPanel.add(attrScroll, new GridBagConstraints(0, 0, 1, 1, 1.0, 1.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH, new Insets(2, 2, 2, 2), 0, 0));
  73       }
  74       else {
  75         myMainPanel.add(myScrollPanel, new GridBagConstraints(0, 0, 1, 1, 1.0, 1.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH, new Insets(0, 0, 0, 0), 0, 0));
  76       }
  77     }
  78     return myMainPanel;
  79   }
  80
  81   public void ensureFitToScreen(int horisontalMargin, int verticalMargin){
  82     myHorisontalMargin = horisontalMargin;
  83     myVerticalMargin = verticalMargin;
  84   }
  85
  86   private Dimension getMainPanelPreferredSize(Dimension superPreferredSize){
  87     if((myHorisontalMargin > 0) && (myVerticalMargin > 0)){
  88       Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
  89       Dimension preferredSize = superPreferredSize;
  90       Dimension maxSize = new Dimension(screenSize.width - myHorisontalMargin, screenSize.height - myVerticalMargin);
  91       int width = Math.min(preferredSize.width, maxSize.width);
  92       int height = Math.min(preferredSize.height, maxSize.height);
  93       if(height < preferredSize.height){
  94         width = Math.min(width + 50, maxSize.width); // to disable horizontal scroller
  95       }
  96       preferredSize = new Dimension(width, height);
  97       return preferredSize;
  98     }
  99     else{
 100       return superPreferredSize;
 101     }
 102   }
 103
 104   private void updateShown() {
 105     final Insets insets = new Insets(2, 2, 2, 2);
 106     myAttrPanel.add(Box.createHorizontalStrut(200), new GridBagConstraints(0, 0, 1, 1, 0.0, 0.0, GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL, insets, 0, 0));
 107     if(myMustEnterName || Arrays.asList(myUnsetAttributes).contains(FileTemplate.ATTRIBUTE_NAME)){
 108       final JLabel filenameLabel = new JLabel(IdeBundle.message("label.file.name"));
 109       myAttrPanel.add(filenameLabel, new GridBagConstraints(0, 1, 1, 1, 0.0, 0.0, GridBagConstraints.WEST, GridBagConstraints.NONE, insets, 0, 0));
 110       myFilenameField = new JTextField();
 111
 112       // if default settings specified
 113       if (myAttributesDefaults != null) {
 114         final String fileName = myAttributesDefaults.getDefaultFileName();
 115         // if default file name specified
 116         if (fileName != null) {
 117           // set predefined file name value
 118           myFilenameField.setText(fileName);
 119           final TextRange selectionRange;
 120           // select range from default attrubutes or select file name without extension
 121           if (myAttributesDefaults.getDefaultFileNameSelection() != null) {
 122             selectionRange = myAttributesDefaults.getDefaultFileNameSelection();
 123           } else {
 124             final int dot = fileName.indexOf('.');
 125             if (dot > 0) {
 126               selectionRange = new TextRange(0, dot);
 127             } else {
 128               selectionRange = null;
 129             }
 130           }
 131           // set selection in editor
 132           if (selectionRange != null) {
 133             setPredefinedSelectionFor(myFilenameField, selectionRange);
 134           }
 135         }
 136       }
 137       myAttrPanel.add(myFilenameField, new GridBagConstraints(0, 2, 1, 1, 1.0, 0.0, GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, insets, 0, 0));
 138     }
 139
 140     for (String attribute : myUnsetAttributes) {
 141       if (attribute.equals(FileTemplate.ATTRIBUTE_NAME)) { // already asked above
 142         continue;
 143       }
 144       final JLabel label = new JLabel(attribute.replace('_', ' ') + ":");
 145       final JTextField field = new JTextField();
 146       if (myAttributesDefaults != null) {
 147         final String defaultValue = myAttributesDefaults.getDefaultValueFor(attribute);
 148         final TextRange selectionRange = myAttributesDefaults.getRangeFor(attribute);
 149         if (defaultValue != null) {
 150           field.setText(defaultValue);
 151           // set default selection
 152           if (selectionRange != null) {
 153             setPredefinedSelectionFor(field, selectionRange);
 154           }
 155         }
 156       }
 157       myAttributes.add(new Pair<String, JTextField>(attribute, field));
 158       myAttrPanel.add(label, new GridBagConstraints(0, myLastRow * 2 + 3, 1, 1, 0.0, 0.0, GridBagConstraints.WEST, GridBagConstraints.NONE,
 159                                                     insets, 0, 0));
 160       myAttrPanel.add(field, new GridBagConstraints(0, myLastRow * 2 + 4, 1, 1, 1.0, 0.0, GridBagConstraints.WEST,
 161                                                     GridBagConstraints.HORIZONTAL, insets, 0, 0));
 162       myLastRow++;
 163     }
 164
 165     myAttrPanel.repaint();
 166     myAttrPanel.revalidate();
 167     myMainPanel.revalidate();
 168   }
 169
 170   @Nullable
 171   public String getFileName(){
 172     if (myFilenameField!=null) {
 173       String fileName = myFilenameField.getText();
 174       return fileName == null ? "" : fileName;
 175     } else {
 176       return null;
 177     }
 178   }
 179
 180   public Properties getProperties(Properties predefinedProperties){
 181     Properties result = (Properties) predefinedProperties.clone();
 182     for (Pair<String, JTextField> pair : myAttributes) {
 183       result.put(pair.first, pair.second.getText());
 184     }
 185     return result;
 186   }
 187
 188   private void setPredefinedSelectionFor(final JTextField field, final TextRange selectionRange) {
 189     field.select(selectionRange.getStartOffset(), selectionRange.getEndOffset());
 190     field.putClientProperty(DialogWrapperPeerImpl.HAVE_INITIAL_SELECTION, true);
 191   }
 192 }
 193