Java DefaultListModel.isEmpty方法代码示例

import javax.swing.DefaultListModel; //导入方法依赖的package包/类
/**
 * Adds the element sorted to the model
 *
 * @param model
 * @param element
 * @return index of the new element
 */
private int addElement(DefaultListModel<String> model, String element) {

	if (model.isEmpty()) {
		model.addElement(element);
		return 0;
	} else {
		for (int j = 0; j < model.getSize(); j++) {

			int compareValue = String.CASE_INSENSITIVE_ORDER.compare(model.getElementAt(j).toString(), element);
			if (compareValue > 0) {
				model.add(j, element);
				return j;
			}
			if (j == model.getSize() - 1) {
				model.add(j + 1, element);
				return j + 1;
			}
		}
	}
	// sth went wrong
	return -1;
}
 

import javax.swing.DefaultListModel; //导入方法依赖的package包/类
private void loadRecent() {
    recentModel = new DefaultListModel();
    for (RecentItem recentItem : sMainFrame.getRecentItems().getRECENT_ITEMS()) {
        recentModel.addElement(recentItem);
    }
    recentItems.setModel(recentModel);
    if (recentModel.isEmpty()) {
        recentToggle.setEnabled(false);
        recentToggle.setForeground(Color.GRAY);
        appToggle.setSelected(true);
    } else {
        recentItems.setSelectedIndex(0);
        recentToggle.setSelected(true);
    }

}
 

import javax.swing.DefaultListModel; //导入方法依赖的package包/类
private void initTags (String preselectedTag) {
    DefaultListModel model = new DefaultListModel();
    GitTag selected = null;
    GitTag[] tagArray = tags.values().toArray(new GitTag[tags.values().size()]);
    Arrays.sort(tagArray, new Comparator<GitTag>() {
        @Override
        public int compare (GitTag o1, GitTag o2) {
            return o1.getTagName().compareTo(o2.getTagName());
        }
    });
    for (GitTag tag : tagArray) {
        if (tag.getTagName().equals(preselectedTag)) {
            selected = tag;
        }
        model.addElement(tag);
    }
    panel.lstTags.setModel(model);
    if (selected != null) {
        panel.lstTags.setSelectedValue(selected, true);
    }
    if (quickSearch != null) {
        quickSearch.detach();
        quickSearch = null;
    }
    if (!model.isEmpty()) {
        quickSearch = GitUtils.attachQuickSearch(Arrays.asList(tagArray), panel.tagsPanel, panel.lstTags, model, new GitUtils.SearchCallback<GitTag>() {

            @Override
            public boolean contains (GitTag item, String needle) {
                return item.getTagName().toLowerCase().contains(needle.toLowerCase());
            }
        });
    }
}
 

import javax.swing.DefaultListModel; //导入方法依赖的package包/类
public void fill(BufferedReader r) {
    DefaultListModel model = new DefaultListModel ();
    fillListModel(r, model);
    if (!model.isEmpty()) {
        list.setModel (model);
    }
}
 

import javax.swing.DefaultListModel; //导入方法依赖的package包/类
private void removeProcessorButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_removeProcessorButtonActionPerformed
    DefaultListModel model = (DefaultListModel) annotationProcessorsList.getModel();
    int[] indices = annotationProcessorsList.getSelectedIndices();
    for (int i = indices.length - 1 ; i >= 0 ; i--) {
        model.remove(indices[i]);
    }
    if (!model.isEmpty()) {
        // Select reasonable item
        int selectedIndex = indices[indices.length - 1] - indices.length  + 1; 
        if (selectedIndex > model.size() - 1) {
            selectedIndex = model.size() - 1;
        }
        annotationProcessorsList.setSelectedIndex(selectedIndex);
    }
}
 

import javax.swing.DefaultListModel; //导入方法依赖的package包/类
private void applyFilter () {
    HgBranch selectedBranch = getSelectedBranch();
    DefaultListModel targetsModel = new DefaultListModel();
    targetsModel.removeAllElements();
    HgBranch toSelect = null;
    String filter = panel.txtFilter.getText();
    synchronized (LOCK) {
        for (HgBranch branch : branches) {
            if (applies(filter, branch)) {
                if (selectedBranch != null && branch.getRevisionInfo().getCSetShortID().equals(selectedBranch.getRevisionInfo().getCSetShortID())) {
                    toSelect = branch;
                } else if (parentRevision != null && branch.getRevisionInfo().getCSetShortID().equals(parentRevision.getChangesetId())) {
                    toSelect = branch;
                }
                targetsModel.addElement(branch);
            }
        }
    }
    if (targetsModel.isEmpty()) {
        targetsModel.addElement(NO_BRANCH);
    }
    if (!Arrays.equals(targetsModel.toArray(), ((DefaultListModel) panel.branchList.getModel()).toArray())) {
        panel.branchList.setModel(targetsModel);
        if (toSelect != null) {
            panel.branchList.setSelectedValue(toSelect, true);
        } else if (targetsModel.size() > 0) {
            panel.branchList.setSelectedIndex(0);
        }
    }
}
 

import javax.swing.DefaultListModel; //导入方法依赖的package包/类
private void PopuleLista() {
    List<Constraint> uni = getSelecionada().getConstraints().stream().filter(c -> c.getTipo() == Constraint.CONSTRAINT_TIPO.tpUNIQUE).collect(Collectors.toList());
    DefaultListModel lst = new DefaultListModel();
    int t = 1;
    for (Constraint contr : uni) {
        lst.addElement(Integer.toString(t++) + " - " + contr.getNomeFormatado());
    }
    Listador.setModel(lst);
    if (lst.isEmpty()) {
        SetSelConstr(null);
    } else {
        int idx = (getSelecionada().getConstraintSelecionado() == null) ? 0 : uni.indexOf(getSelecionada().getConstraintSelecionado());
        Listador.setSelectedIndex(idx);
    }
}
 

import javax.swing.DefaultListModel; //导入方法依赖的package包/类
private JList<String> logFilesList() {
	
	
	file = new File(System.getProperty("user.dir") + File.separator + "Logging Store/");
	
	final JFileChooser fileChooser = new JFileChooser();
	fileChooser.setCurrentDirectory(file);
	fileChooser.setMultiSelectionEnabled(true);

	final DefaultListModel<String> model = new DefaultListModel<String>();
	
	final JList<String> list = new JList<String>(model);
	list.setPreferredSize(new Dimension(85, 480));
	list.setFont(new Font("Dialog", Font.PLAIN, 12));
	list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
	list.setSelectedIndex(0);
	list.setFixedCellHeight(18);
	list.addMouseListener(new MouseAdapter() {
		@Override
		public void mousePressed(MouseEvent e) {
			if (e.getClickCount() == 2) {
				selectedItem = list.getSelectedValue();
				getSelectedFileName();
			}
		}
	});
	
	list.setCellRenderer(new LogRecordsListRenderer());

	File[] selectedFiles = fileChooser.getCurrentDirectory().listFiles();

	for (File f : selectedFiles) {
		if (f.getName().indexOf(".log") != -1) {
			model.addElement(f.getName());
		}else {
			continue;
		}
	}
	if(model.isEmpty()) {
		model.addElement("List is empty!");
	}
	
	return list;
}