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[code] Logical and visual positions, offset

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This commit is contained in:
Anna Bulenkova 2014-12-29 13:12:14 +01:00
parent 2d017152fb
commit 2ae2828aad
2 changed files with 36 additions and 0 deletions
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4
editor_basics/resources/META-INF/plugin.xml
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@ -33,6 +33,10 @@
description="Illustrates how to plug an action in">
<add-to-group group-id="EditorPopupMenu" anchor="last"/>
</action>
<action id="EditorBasics.LogicalPositionIllustration" class="org.jetbrains.plugins.editor.basics.EditorAreaIllustration" text="Caret Position"
description="Illustrates how editor area is organized">
<add-to-group group-id="EditorPopupMenu" anchor="last"/>
</action>
</actions>
</idea-plugin>

32
editor_basics/src/org/jetbrains/plugins/editor/basics/EditorAreaIllustration.java Normal file
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@ -0,0 +1,32 @@
package org.jetbrains.plugins.editor.basics;
import com.intellij.openapi.actionSystem.AnAction;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.editor.*;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.Messages;
/**
* @author Anna Bulenkova
*/
public class EditorAreaIllustration extends AnAction {
@Override
public void actionPerformed(AnActionEvent anActionEvent) {
final Editor editor = anActionEvent.getRequiredData(CommonDataKeys.EDITOR);
CaretModel caretModel = editor.getCaretModel();
LogicalPosition logicalPosition = caretModel.getLogicalPosition();
VisualPosition visualPosition = caretModel.getVisualPosition();
int offset = caretModel.getOffset();
Messages.showInfoMessage("Logical position: " + logicalPosition.toString() + "\n" +
"Visual position: " + visualPosition.toString() + "\n" +
"Offset: " + offset, "Caret Parameters Inside The Editor");
}
@Override
public void update(AnActionEvent e) {
final Project project = e.getData(CommonDataKeys.PROJECT);
final Editor editor = e.getData(CommonDataKeys.EDITOR);
e.getPresentation().setVisible(project != null && editor != null);
}
}