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.openapi.diagnostic.Logger;
   6 import com.intellij.openapi.util.Pair;
   7 import org.jetbrains.annotations.Nullable;
   8
   9 import javax.swing.*;
  10 import java.awt.*;
  11 import java.util.ArrayList;
  12 import java.util.Arrays;
  13 import java.util.Properties;
  14
  15 /*
  16  * @author: MYakovlev
  17  */
  18
  19 public class CreateFromTemplatePanel{
  20   private static final Logger LOG = Logger.getInstance("#com.intellij.ide.fileTemplates.ui.CreateFromTemplatePanel");
  21
  22   private JPanel myMainPanel;
  23   private JPanel myAttrPanel;
  24   private JTextField myFilenameField;
  25   private String[] myUnsetAttributes;
  26   private ArrayList<Pair<String, JTextField>> myAttributes = new ArrayList<Pair<String,JTextField>>();
  27
  28   private int myLastRow = 0;
  29
  30   private int myHorisontalMargin = -1;
  31   private int myVerticalMargin = -1;
  32   private boolean myMustEnterName;
  33   private String myDefaultFileName;
  34
  35   public CreateFromTemplatePanel(final String[] unsetAttributes, final boolean mustEnterName,
  36                                  @Nullable final String defaultFilename){
  37     myMustEnterName = mustEnterName;
  38     myUnsetAttributes = unsetAttributes;
  39     myDefaultFileName = defaultFilename;
  40     Arrays.sort(myUnsetAttributes);
  41   }
  42
  43   public boolean hasSomethingToAsk() {
  44     return myMustEnterName || myUnsetAttributes.length != 0;
  45   }
  46
  47   public JComponent getComponent() {
  48     if (myMainPanel == null){
  49       myMainPanel = new JPanel(new GridBagLayout()){
  50         public Dimension getPreferredSize(){
  51           return getMainPanelPreferredSize(super.getPreferredSize());
  52         }
  53       };
  54       myAttrPanel = new JPanel(new GridBagLayout());
  55       JPanel myScrollPanel = new JPanel(new GridBagLayout());
  56       updateShown();
  57
  58       myScrollPanel.setBorder(null);
  59       int attrCount = myUnsetAttributes.length;
  60       if (myMustEnterName && !Arrays.asList(myUnsetAttributes).contains(FileTemplate.ATTRIBUTE_NAME)) {
  61         attrCount++;
  62       }
  63       Insets insets = (attrCount > 1) ? new Insets(2, 2, 2, 2) : new Insets(0, 0, 0, 0);
  64       myScrollPanel.add(myAttrPanel,  new GridBagConstraints(0, 0, 1, 1, 1.0, 0.0, GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL, insets, 0, 0));
  65       if (attrCount > 1) {
  66         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));
  67         JScrollPane attrScroll = new JScrollPane(myScrollPanel);
  68         attrScroll.setViewportBorder(null);
  69         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));
  70       }
  71       else {
  72         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));
  73       }
  74     }
  75     return myMainPanel;
  76   }
  77
  78   public void ensureFitToScreen(int horisontalMargin, int verticalMargin){
  79     myHorisontalMargin = horisontalMargin;
  80     myVerticalMargin = verticalMargin;
  81   }
  82
  83   private Dimension getMainPanelPreferredSize(Dimension superPreferredSize){
  84     if((myHorisontalMargin > 0) && (myVerticalMargin > 0)){
  85       Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
  86       Dimension preferredSize = superPreferredSize;
  87       Dimension maxSize = new Dimension(screenSize.width - myHorisontalMargin, screenSize.height - myVerticalMargin);
  88       int width = Math.min(preferredSize.width, maxSize.width);
  89       int height = Math.min(preferredSize.height, maxSize.height);
  90       if(height < preferredSize.height){
  91         width = Math.min(width + 50, maxSize.width); // to disable horizontal scroller
  92       }
  93       preferredSize = new Dimension(width, height);
  94       return preferredSize;
  95     }
  96     else{
  97       return superPreferredSize;
  98     }
  99   }
 100
 101   private void updateShown() {
 102     Insets insets = new Insets(2, 2, 2, 2);
 103     myAttrPanel.add(Box.createHorizontalStrut(200), new GridBagConstraints(0, 0, 1, 1, 0.0, 0.0, GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL, insets, 0, 0));
 104     if(myMustEnterName || Arrays.asList(myUnsetAttributes).contains(FileTemplate.ATTRIBUTE_NAME)){
 105       final JLabel filenameLabel = new JLabel(IdeBundle.message("label.file.name"));
 106       myAttrPanel.add(filenameLabel, new GridBagConstraints(0, 1, 1, 1, 0.0, 0.0, GridBagConstraints.WEST, GridBagConstraints.NONE, insets, 0, 0));
 107       myFilenameField = new JTextField();
 108       if (myDefaultFileName != null) {
 109         myFilenameField.setText(myDefaultFileName);
 110       }
 111       myAttrPanel.add(myFilenameField, new GridBagConstraints(0, 2, 1, 1, 1.0, 0.0, GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, insets, 0, 0));
 112     }
 113
 114     for (String attribute : myUnsetAttributes) {
 115       if (attribute.equals(FileTemplate.ATTRIBUTE_NAME)) { // already asked above
 116         continue;
 117       }
 118       JLabel label = new JLabel(attribute.replace('_', ' ') + ":");
 119       JTextField field = new JTextField();
 120       myAttributes.add(new Pair<String, JTextField>(attribute, field));
 121       myAttrPanel.add(label, new GridBagConstraints(0, myLastRow * 2 + 3, 1, 1, 0.0, 0.0, GridBagConstraints.WEST, GridBagConstraints.NONE,
 122                                                     insets, 0, 0));
 123       myAttrPanel.add(field, new GridBagConstraints(0, myLastRow * 2 + 4, 1, 1, 1.0, 0.0, GridBagConstraints.WEST,
 124                                                     GridBagConstraints.HORIZONTAL, insets, 0, 0));
 125       myLastRow++;
 126     }
 127
 128     myAttrPanel.repaint();
 129     myAttrPanel.revalidate();
 130     myMainPanel.revalidate();
 131   }
 132
 133   @Nullable
 134   public String getFileName(){
 135     if (myFilenameField!=null) {
 136       String fileName = myFilenameField.getText();
 137       return fileName == null ? "" : fileName;
 138     } else {
 139       return null;
 140     }
 141   }
 142
 143   public Properties getProperties(Properties predefinedProperties){
 144     Properties result = (Properties) predefinedProperties.clone();
 145     for (Pair<String, JTextField> pair : myAttributes) {
 146       result.put(pair.first, pair.second.getText());
 147     }
 148     return result;
 149   }
 150 }
 151