javax.swing.event.ListDataEvent#getIndex1()源码实例Demo

@Override
public void intervalAdded(ListDataEvent e) {
    for (int i = e.getIndex1(); i >= e.getIndex0(); i--) {
        Object obj = listModel.getElementAt(i);
        if (obj instanceof ClassPathSupport.Item) {
            DefaultMutableTreeNode node = toTreeNode(obj);
            treeModel.insertNodeInto(node, (MutableTreeNode)treeModel.getRoot(), e.getIndex0());
            TreePath path = new TreePath(node.getPath());
            tree.setSelectionPath(path);
            tree.makeVisible(path);
        }
    }
}
 

@Override
public void intervalAdded(ListDataEvent e) {
    for (int i = e.getIndex1(); i >= e.getIndex0(); i--) {
        Object obj = listModel.getElementAt(i);
        if (obj instanceof ClassPathSupport.Item) {
            DefaultMutableTreeNode node = toTreeNode(obj);
            treeModel.insertNodeInto(node, (MutableTreeNode)treeModel.getRoot(), e.getIndex0());
            TreePath path = new TreePath(node.getPath());
            tree.setSelectionPath(path);
            tree.makeVisible(path);
        }
    }
}
 

public void intervalAdded(ListDataEvent e) {
    if (container.getContentPolicy() == TabbedContainer.CONTENT_POLICY_ADD_ALL) {
        Component curC = null;
        for (int i = e.getIndex0(); i <= e.getIndex1(); i++) {
            curC = toComp(container.getModel().getTab(i));
            contentDisplayer.add(curC, "");
        }
    }
}
 

private void adjustSelectionForEvent(ListDataEvent e) {
    if (e.getType() == e.CONTENTS_CHANGED || sel == -1) {
        return;
    }
    int start = e.getIndex0();
    int end = e.getIndex1() + 1;
    if (e.getType() == e.INTERVAL_REMOVED) {
        if (sel < start) {
            return;
        } else {
            if (sel >= start) {
                if (sel > end) {
                    sel -= end - start;
                } else {
                    sel = start;
                    if (sel >= dataModel.size()) {
                        sel = dataModel.size() - 1;
                    }
                }
                cs.fireChange();
            }
        }
    } else {
        if (sel < start) {
            //not affected, do nothing
            return;
        }
        if (sel >= start) {
            if (end - 1 == start) {
                sel++;
            } else if (sel < end) {
                sel = (end + (sel - start)) - 1;
            } else {
                sel += (end - start) - 1;
            }
            cs.fireChange();
        }
    }
}
 

@Override
public void intervalAdded(final ListDataEvent e) {
	int index0 = e.getIndex0();
	int index1 = e.getIndex1();
	if (index0 == index1) {
		updateList(index0, 1);
	}
}
 

@Override
public void intervalRemoved(final ListDataEvent e) {
	int index0 = e.getIndex0();
	int index1 = e.getIndex1();
	if (index0 == index1) {
		selectedList.remove((Integer) index0);
		updateList(index0, -1);
	} else {
		selectedList.clear();
	}
	ensureIndexIsVisible(index1);
}
 

@Override
public void listDataChanged(ListDataEvent e)
{
	if (e.getIndex0() == -1 && e.getIndex1() == -1)
	{
		SkillFilter filter = (SkillFilter) skillFilterBox.getSelectedItem();
		character.setSkillFilter(filter);
		skillSheetHandler.support.refresh();
	}
}
 

@Override
public void listDataChanged(ListDataEvent e)
{
	if (e.getIndex0() == -1 && e.getIndex1() == -1)
	{
		SkillFilter filter = (SkillFilter) skillFilterBox.getSelectedItem();
		character.setSkillFilter(filter);
		skillSheetHandler.support.refresh();
	}
}
 

@Override
public void intervalRemoved(ListDataEvent e) {
    for (int i = e.getIndex1(); i >= e.getIndex0(); i--) {
        treeModel.removeNodeFromParent((MutableTreeNode)treeModel.getChild(treeModel.getRoot(), i));
    }
}
 

@Override
public void intervalRemoved(ListDataEvent e) {
    for (int i = e.getIndex1(); i >= e.getIndex0(); i--) {
        treeModel.removeNodeFromParent((MutableTreeNode)treeModel.getChild(treeModel.getRoot(), i));
    }
}
 

public void contentsChanged(ListDataEvent e) {
    final int newItemCount = comboBox.getItemCount();

    // if the size of the model didn't change, the popup size won't change
    if (previousItemCount != newItemCount) {
        final int maxPopupItemCount = comboBox.getMaximumRowCount();

        // if the popup is showing, check if it must be resized
        if (popupMenu.isShowing()) {
            if (comboBox.isShowing()) {
                // if either the previous or new item count is less than the max,
                // hide and show the popup to recalculate its new height
                if (newItemCount < maxPopupItemCount || previousItemCount < maxPopupItemCount) {
                    // don't bother unfiltering the popup since we'll redisplay the popup immediately
                    doNotClearFilterOnPopupHide = true;
                    try {
                        comboBox.hidePopup();
                    } finally {
                        doNotClearFilterOnPopupHide = false;
                    }

                    comboBox.showPopup();
                }
            } else {
                // if the comboBox is not showing, simply hide the popup to avoid:
                // "java.awt.IllegalComponentStateException: component must be showing on the screen to determine its location"
                // this case can occur when the comboBox is used as a TableCellEditor
                // and is uninstalled (removed from the component hierarchy) before
                // receiving this callback
                comboBox.hidePopup();
            }
        }

        previousItemCount = newItemCount;
    }

    // if the comboBoxModel was changed and it wasn't due to the filter changing
    // (i.e. !isFiltering) and it wasn't because the user selected a new
    // selectedItem (i.e. !userSelectedNewItem) then those changes may have
    // invalidated the invariant that strict mode places on the text in the
    // JTextField, so we must either:
    //
    // a) locate the text within the model (proving that the strict mode invariant still holds)
    // b) set the text to that of the first element in the model (to reestablish the invariant)
    final boolean userSelectedNewItem = e.getIndex0() == -1 || e.getIndex1() == -1;
    if (isStrict() && !userSelectedNewItem && !isFiltering) {
        // notice that instead of doing the work directly, we post a Runnable here
        // to check the strict mode invariant and repair it if it is broken. That's
        // important. It's necessary because we must let the current ListEvent
        // finish its dispatching before we attempt to change the filter of the
        // filteredItems list by setting new text into the comboBoxEditorComponent
        SwingUtilities.invokeLater(checkStrictModeInvariantRunnable);
    }
}
 

@Override
public void contentsChanged(ListDataEvent e) {
	contentsChangedFlag = true;
	index0 = e.getIndex0();
	index1 = e.getIndex1();
}
 

@Override
public void intervalAdded(ListDataEvent e) {
	intervalAddedFlag = true;
	index0 = e.getIndex0();
	index1 = e.getIndex1();
}
 

@Override
public void intervalRemoved(ListDataEvent e) {
	intervalRemovedFlag = true;
	index0 = e.getIndex0();
	index1 = e.getIndex1();
}