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[code] TreeStructureProvider example

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This commit is contained in:
Anna Bulenkova 2015-01-05 13:20:24 +01:00
parent c7857ab1cf
commit fef2cfc1d1
3 changed files with 41 additions and 28 deletions
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2
code_samples/tree_structure_provider/META-INF/plugin.xml
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@ -13,7 +13,7 @@
<depends>com.intellij.modules.lang</depends>
<extensions defaultExtensionNs="com.intellij">
<treeStructureProvider implementation="org.jetbrains.plugins.sample.tree.CustomTreeStructureProvider"/>
<treeStructureProvider implementation="org.jetbrains.plugins.sample.tree.TextOnlyTreeStructureProvider"/>
</extensions>
<application-components>

27
code_samples/tree_structure_provider/scr/org/jetbrains/plugins/sample/tree/CustomTreeStructureProvider.java
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@ -1,27 +0,0 @@
package org.jetbrains.plugins.sample.tree;
import com.intellij.ide.projectView.TreeStructureProvider;
import com.intellij.ide.projectView.ViewSettings;
import com.intellij.ide.util.treeView.AbstractTreeNode;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.Collection;
import java.util.Collections;
/**
* @author Anna Bulenkova
*/
public class CustomTreeStructureProvider implements TreeStructureProvider {
@NotNull
@Override
public Collection<AbstractTreeNode> modify(@NotNull AbstractTreeNode parent, @NotNull Collection<AbstractTreeNode> children, ViewSettings viewSettings) {
return Collections.emptyList();
}
@Nullable
@Override
public Object getData(Collection<AbstractTreeNode> collection, String s) {
return null;
}
}

40
code_samples/tree_structure_provider/scr/org/jetbrains/plugins/sample/tree/TextOnlyTreeStructureProvider.java Normal file
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@ -0,0 +1,40 @@
package org.jetbrains.plugins.sample.tree;
import com.intellij.ide.projectView.TreeStructureProvider;
import com.intellij.ide.projectView.ViewSettings;
import com.intellij.ide.projectView.impl.nodes.PsiFileNode;
import com.intellij.ide.util.treeView.AbstractTreeNode;
import com.intellij.openapi.fileTypes.PlainTextFileType;
import com.intellij.openapi.vfs.VirtualFile;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.ArrayList;
import java.util.Collection;
/**
* @author Anna Bulenkova
*/
public class TextOnlyTreeStructureProvider implements TreeStructureProvider {
@NotNull
@Override
public Collection<AbstractTreeNode> modify(@NotNull AbstractTreeNode parent, @NotNull Collection<AbstractTreeNode> children, ViewSettings settings) {
ArrayList<AbstractTreeNode> nodes = new ArrayList<AbstractTreeNode>();
for (AbstractTreeNode child : children) {
if (child instanceof PsiFileNode) {
VirtualFile file = ((PsiFileNode) child).getVirtualFile();
if (file != null && !file.isDirectory() && !(file.getFileType() instanceof PlainTextFileType)) {
continue;
}
}
nodes.add(child);
}
return nodes;
}
@Nullable
@Override
public Object getData(Collection<AbstractTreeNode> collection, String s) {
return null;
}
}