platform-impl/src/com/intellij/openapi/wm/impl/status/PositionPanel.java

   1 package com.intellij.openapi.wm.impl.status;
   2
   3 import com.intellij.ide.DataManager;
   4 import com.intellij.ide.util.GotoLineNumberDialog;
   5 import com.intellij.openapi.actionSystem.PlatformDataKeys;
   6 import com.intellij.openapi.command.CommandProcessor;
   7 import com.intellij.openapi.editor.Editor;
   8 import com.intellij.openapi.editor.LogicalPosition;
   9 import com.intellij.openapi.editor.SelectionModel;
  10 import com.intellij.openapi.fileEditor.FileEditorManager;
  11 import com.intellij.openapi.fileEditor.ex.IdeDocumentHistory;
  12 import com.intellij.openapi.project.Project;
  13 import com.intellij.openapi.wm.StatusBar;
  14 import com.intellij.ui.UIBundle;
  15
  16 import javax.swing.*;
  17 import java.awt.event.MouseAdapter;
  18 import java.awt.event.MouseEvent;
  19
  20 class PositionPanel extends TextPanel implements StatusBarPatch {
  21   public PositionPanel(StatusBar statusBar) {
  22     super(false, "#############");
  23
  24     addMouseListener(new MouseAdapter() {
  25       public void mouseClicked(final MouseEvent e) {
  26         if (e.getClickCount() == 2) {
  27           final Project project = getProject();
  28           if (project == null) return;
  29           final Editor editor = getEditor(project);
  30           if (editor == null) return;
  31           final CommandProcessor processor = CommandProcessor.getInstance();
  32           processor.executeCommand(
  33               project, new Runnable(){
  34               public void run() {
  35                 final GotoLineNumberDialog dialog = new GotoLineNumberDialog(project, editor);
  36                 dialog.show();
  37                 IdeDocumentHistory.getInstance(project).includeCurrentCommandAsNavigation();
  38               }
  39             },
  40               UIBundle.message("go.to.line.command.name"),
  41             null
  42           );
  43         }
  44       }
  45     });
  46
  47     StatusBarTooltipper.install(this, statusBar);
  48   }
  49
  50   public JComponent getComponent() {
  51     return this;
  52   }
  53
  54   public String updateStatusBar(final Editor editor, final JComponent componentSelected) {
  55     if (editor != null) {
  56       SwingUtilities.invokeLater(new Runnable() {
  57         public void run() {
  58           if (!editor.isDisposed()) {
  59             StringBuilder message = new StringBuilder();
  60
  61             SelectionModel selectionModel = editor.getSelectionModel();
  62             if (selectionModel.hasBlockSelection()) {
  63               LogicalPosition start = selectionModel.getBlockStart();
  64               LogicalPosition end = selectionModel.getBlockEnd();
  65               appendLogicalPosition(start, message);
  66               message.append("-");
  67               appendLogicalPosition(new LogicalPosition(Math.abs(end.column - start.column) - 1, Math.abs(end.line - start.line)), message);
  68             }
  69             else {
  70               LogicalPosition caret = editor.getCaretModel().getLogicalPosition();
  71
  72               appendLogicalPosition(caret, message);
  73               if (selectionModel.hasSelection()) {
  74                 int len = Math.abs(selectionModel.getSelectionStart() - selectionModel.getSelectionEnd());
  75                 message.append("/");
  76                 message.append(len);
  77               }
  78             }
  79
  80             setText(message.toString());
  81           }
  82         }
  83       });
  84       return UIBundle.message("go.to.line.command.double.click");
  85     }
  86     clear();
  87     return null;
  88   }
  89
  90   private static void appendLogicalPosition(LogicalPosition caret, StringBuilder message) {
  91     message.append(caret.line + 1);
  92     message.append(":");
  93     message.append(caret.column + 1);
  94   }
  95
  96   public void clear() {
  97     setText("");
  98   }
  99
 100   private static Editor getEditor(final Project project) {
 101     return FileEditorManager.getInstance(project).getSelectedTextEditor();
 102   }
 103
 104   private Project getProject() {
 105     return PlatformDataKeys.PROJECT.getData(DataManager.getInstance().getDataContext(this));
 106   }
 107 }