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Anna Bulenkova 2015-01-27 11:24:38 +01:00
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tutorials/editor/editor_basics.md
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@ -91,7 +91,8 @@ object is available ```final Editor editor = actionEvent.getData(CommonDataKeys.
##Obtaining a caret model and selection ##Obtaining a caret model and selection
After making sure we have a project open and an instance of the Editor we need to check if any selection is available and set action's visibility accordingly to these conditions. After making sure we have a project open and an instance of the Editor we need to check if any selection is available and set action's visibility accordingly to these conditions.
[SelectionModel] () got from the Editor allows to do it by calling it's ```hasSelection()``` method. [SelectionModel] (https://github.com/JetBrains/intellij-community/blob/master/platform/editor-ui-api/src/com/intellij/openapi/editor/SelectionModel.java)
got from the Editor allows to do it by calling it's ```hasSelection()``` method.
Here's how our ```update(final AnActionEvent e)``` method should look like at the end: Here's how our ```update(final AnActionEvent e)``` method should look like at the end:
```java ```java
@ -341,13 +342,13 @@ IntelliJ IDEA SDK provides a set of embedded mechanisms for handling events rela
##Handling keystrokes in the Editor ##Handling keystrokes in the Editor
To handle keystrokes and provide custom reactions interface To handle keystrokes and provide custom reactions interface
[TypedActionHandler]() [TypedActionHandler](https://github.com/JetBrains/intellij-community/blob/master/platform/platform-api/src/com/intellij/openapi/editor/actionSystem/TypedActionHandler.java)
may be used. may be used.
Series of steps below shows how to change standard behaviour of the editor and make it react on typing differently instead of simply displaying a typed character in the editor area. Series of steps below shows how to change standard behaviour of the editor and make it react on typing differently instead of simply displaying a typed character in the editor area.
###Implementing *TypedActionHandler* ###Implementing *TypedActionHandler*
First we need to implement an instance of First we need to implement an instance of
[TypedActionHandler](): [TypedActionHandler](https://github.com/JetBrains/intellij-community/blob/master/platform/platform-api/src/com/intellij/openapi/editor/actionSystem/TypedActionHandler.java):
```java ```java
public class MyTypedHandler implements TypedActionHandler { public class MyTypedHandler implements TypedActionHandler {
@ -383,7 +384,7 @@ public class MyTypedHandler implements TypedActionHandler {
To enable a custom implementation of *TypedActionHandler* in the plugin we need to create a new instance of it and pass to To enable a custom implementation of *TypedActionHandler* in the plugin we need to create a new instance of it and pass to
```public TypedActionHandler setupHandler(TypedActionHandler handler);``` method of the ```public TypedActionHandler setupHandler(TypedActionHandler handler);``` method of the
[TypedAction]() [TypedAction](https://github.com/JetBrains/intellij-community/blob/master/platform/platform-api/src/com/intellij/openapi/editor/actionSystem/TypedAction.java)
class. By doing it we replace the typing handler with the specified handler. class. By doing it we replace the typing handler with the specified handler.
```java ```java
@ -420,7 +421,7 @@ public class EditorHandlerIllustration extends AnAction {
``` ```
Register action in Register action in
[plugin.xml](): [plugin.xml] (https://github.com/JetBrains/intellij-sdk/blob/master/code_samples/editor_basics/resources/META-INF/plugin.xml):
```xml ```xml
<actions> <actions>
@ -453,8 +454,9 @@ public class EditorHandlerIllustration extends AnAction {
To manipulate with standard Editor's actions first we need to obtain To manipulate with standard Editor's actions first we need to obtain
an instance of an instance of
[EditorActionHandler]() for the action we'd like to work with. Ih this case it will be an instance of [EditorActionHandler](https://github.com/JetBrains/intellij-community/blob/master/platform/platform-api/src/com/intellij/openapi/editor/actionSystem/EditorActionHandler.java)
[CloneCaretActionHandler](). for the action we'd like to work with. Ih this case it will be an instance of
[CloneCaretActionHandler](https://github.com/JetBrains/intellij-community/blob/master/platform/platform-impl/src/com/intellij/openapi/editor/actions/CloneCaretActionHandler.java).
```java ```java
public class EditorHandlerIllustration extends AnAction { public class EditorHandlerIllustration extends AnAction {