le.gwt.user.client.ui.Tree; //導入方法依賴的package包/類
/**
* Create a static tree with some data in it.
*
* @return the new tree
*/
@ShowcaseSource
private Tree createStaticTree() {
// Create the tree
String[] composers = constants.cwTreeComposers();
String concertosLabel = constants.cwTreeConcertos();
String quartetsLabel = constants.cwTreeQuartets();
String sonatasLabel = constants.cwTreeSonatas();
String symphoniesLabel = constants.cwTreeSymphonies();
Tree staticTree = new Tree();
// Add some of Beethoven's music
TreeItem beethovenItem = staticTree.addTextItem(composers[0]);
addMusicSection(beethovenItem, concertosLabel,
constants.cwTreeBeethovenWorkConcertos());
addMusicSection(
beethovenItem, quartetsLabel, constants.cwTreeBeethovenWorkQuartets());
addMusicSection(
beethovenItem, sonatasLabel, constants.cwTreeBeethovenWorkSonatas());
addMusicSection(beethovenItem, symphoniesLabel,
constants.cwTreeBeethovenWorkSymphonies());
// Add some of Brahms's music
TreeItem brahmsItem = staticTree.addTextItem(composers[1]);
addMusicSection(
brahmsItem, concertosLabel, constants.cwTreeBrahmsWorkConcertos());
addMusicSection(
brahmsItem, quartetsLabel, constants.cwTreeBrahmsWorkQuartets());
addMusicSection(
brahmsItem, sonatasLabel, constants.cwTreeBrahmsWorkSonatas());
addMusicSection(
brahmsItem, symphoniesLabel, constants.cwTreeBrahmsWorkSymphonies());
// Add some of Mozart's music
TreeItem mozartItem = staticTree.addTextItem(composers[2]);
addMusicSection(
mozartItem, concertosLabel, constants.cwTreeMozartWorkConcertos());
// Return the tree
return staticTree;
}
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