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better action.update

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This commit is contained in:
Anna Bulenkova 2014-12-05 14:16:23 +01:00
parent 54f82832e4
commit 7da2f4783a
2 changed files with 11 additions and 4 deletions
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8
code_samples/plugin_sample/src/org/jetbrains/plugins/sample/SimpleAction.java
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@ -2,6 +2,7 @@ package org.jetbrains.plugins.sample;
import com.intellij.openapi.actionSystem.AnAction;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.project.Project;
import org.jetbrains.annotations.NotNull;
/**
@ -14,7 +15,10 @@ public class SimpleAction extends AnAction {
@Override
public void update(@NotNull AnActionEvent e) {
e.getPresentation().setVisible(true);
e.getPresentation().setEnabled(true);
//Make action visible and available only when project is defined
final Project project = e.getProject();
boolean isAvailable = project != null;
e.getPresentation().setVisible(isAvailable);
e.getPresentation().setEnabled(isAvailable);
}
}

7
tutorials/action_system.md
View File

@ -85,8 +85,11 @@ Parameter e carries information on the invocation place and data available
@Override
public void update(@NotNull AnActionEvent e) {
e.getPresentation().setVisible(true);
e.getPresentation().setEnabled(true);
//Make action visible and available only when project is defined
final Project project = e.getProject();
boolean isAvailable = project != null;
e.getPresentation().setVisible(isAvailable);
e.getPresentation().setEnabled(isAvailable);
}
}
[Link to source code] (https://github.com/JetBrains/intellij-sdk/blob/master/code_samples/plugin_sample/src/org/jetbrains/plugins/sample/SimpleAction.java)