private void handleAdd() {
IStructuredSelection ssel = (IStructuredSelection) fAvailableListViewer.getSelection();
if (ssel.size() > 0) {
Table table = fAvailableListViewer.getTable();
int index = table.getSelectionIndices()[0];
doAdd(ssel.toList());
table.setSelection(index < table.getItemCount() ? index : table.getItemCount() - 1);
pageChanged(true, false);
}
}
private void handleAddAll() {
TableItem[] items = fAvailableListViewer.getTable().getItems();
ArrayList<Object> data = new ArrayList<>();
for (int i = 0; i < items.length; i++) {
data.add(items[i].getData());
}
if (data.size() > 0) {
doAdd(data);
pageChanged(true, false);
}
}
private void updateButtonEnablement(boolean doAddEnablement, boolean doRemoveEnablement) {
updateCount();
int availableCount = fAvailableListViewer.getTable().getItemCount();
int importCount = fImportListViewer.getTable().getItemCount();
if (doAddEnablement) updateSelectionBasedEnablement(fAvailableListViewer.getSelection(), true);
if (doRemoveEnablement) updateSelectionBasedEnablement(fImportListViewer.getSelection(), false);
fAddAllButton.setEnabled(availableCount > 0);
fRemoveAllButton.setEnabled(importCount > 0);
fAddRequiredButton.setEnabled(importCount > 0);
}
/** @param event */
private void handleModelEventWorldChanged(IModelChangedEvent event) {
// This section can get disposed if the configuration is changed from
// plugins to features or vice versa. Subsequently, the configuration
// page is removed and readded. In this circumstance, abort the
// refresh
if (fPluginTable.getTable().isDisposed()) {
return;
}
// Reload the input
fPluginTable.setInput(getProduct());
// Perform the refresh
refresh();
}
private void updateCount() {
if (fCountTotal <= 0) {
// Since we filter the list of available plug-ins the total may differ from the model count
fCountTotal = fAvailableListViewer.getTable().getItemCount();
}
fCountLabel.setText(
NLS.bind(
PDEUIMessages.ImportWizard_DetailedPage_count,
(new String[] {
Integer.toString(fImportListViewer.getTable().getItemCount()),
Integer.toString(fCountTotal)
})));
fCountLabel.getParent().layout();
}
private void createImpTable(Composite container) {
fElementViewer = new TableViewer(container, SWT.MULTI | SWT.V_SCROLL | SWT.BORDER);
GridData gd = new GridData(GridData.FILL_BOTH);
gd.heightHint = 250;
fElementViewer.getControl().setLayoutData(gd);
fElementViewer.getControl().setFont(container.getFont());
fElementViewer.setContentProvider(
new DefaultTableProvider() {
public Object[] getElements(Object inputElement) {
ITargetDefinition target = getTargetDefinition();
if (target != null) {
NameVersionDescriptor[] bundles = target.getImplicitDependencies();
if (bundles != null) {
return bundles;
}
}
return new NameVersionDescriptor[0];
}
});
fElementViewer.setLabelProvider(new StyledBundleLabelProvider(false, false));
fElementViewer.setInput(PDEPlugin.getDefault());
fElementViewer.setComparator(
new ViewerComparator() {
public int compare(Viewer viewer, Object e1, Object e2) {
NameVersionDescriptor bundle1 = (NameVersionDescriptor) e1;
NameVersionDescriptor bundle2 = (NameVersionDescriptor) e2;
return super.compare(viewer, bundle1.getId(), bundle2.getId());
}
});
fElementViewer.addSelectionChangedListener(
new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
updateImpButtons();
}
});
fElementViewer
.getTable()
.addKeyListener(
new KeyAdapter() {
public void keyPressed(KeyEvent e) {
if (e.character == SWT.DEL && e.stateMask == 0) {
handleRemove();
}
}
});
}
private void updateRemoveButtons(boolean updateRemove, boolean updateRemoveAll) {
TablePart tablePart = getTablePart();
Table table = tablePart.getTableViewer().getTable();
TableItem[] tableSelection = table.getSelection();
if (updateRemove) {
ISelection selection = getViewerSelection();
tablePart.setButtonEnabled(
3,
isEditable()
&& !selection.isEmpty()
&& selection instanceof IStructuredSelection
&& ((IStructuredSelection) selection).getFirstElement() instanceof IProductPlugin);
}
int count = fPluginTable.getTable().getItemCount();
if (updateRemoveAll) tablePart.setButtonEnabled(4, isEditable() && count > 0);
tablePart.setButtonEnabled(2, isEditable() && count > 0);
tablePart.setButtonEnabled(5, isEditable() && tableSelection.length == 1);
}
private void handleSwap() {
TableItem[] aItems = fAvailableListViewer.getTable().getItems();
TableItem[] iItems = fImportListViewer.getTable().getItems();
ArrayList<Object> data = new ArrayList<>();
for (int i = 0; i < iItems.length; i++) {
data.add(iItems[i].getData());
}
if (data.size() > 0) {
doRemove(data);
}
data.clear();
for (int i = 0; i < aItems.length; i++) {
data.add(aItems[i].getData());
}
if (data.size() > 0) {
doAdd(data);
}
pageChanged();
}
/* (non-Javadoc)
* @see org.eclipse.pde.internal.ui.editor.PDESection#modelChanged(org.eclipse.pde.core.IModelChangedEvent)
*/
public void modelChanged(IModelChangedEvent e) {
// No need to call super, handling world changed event here
if (e.getChangeType() == IModelChangedEvent.WORLD_CHANGED) {
handleModelEventWorldChanged(e);
return;
}
Object[] objects = e.getChangedObjects();
if (e.getChangeType() == IModelChangedEvent.INSERT) {
for (int i = 0; i < objects.length; i++) {
if (objects[i] instanceof IProductPlugin) fPluginTable.add(objects[i]);
}
} else if (e.getChangeType() == IModelChangedEvent.REMOVE) {
Table table = fPluginTable.getTable();
int index = table.getSelectionIndex();
for (int i = 0; i < objects.length; i++) {
if (objects[i] instanceof IProductPlugin) fPluginTable.remove(objects[i]);
}
// Update Selection
int count = table.getItemCount();
if (count == 0) {
// Nothing to select
} else if (index < count) {
table.setSelection(index);
} else {
table.setSelection(count - 1);
}
} else if (e.getChangeType() == IModelChangedEvent.CHANGE) {
fPluginTable.refresh();
}
updateRemoveButtons(false, true);
}
private void createComp(Composite group) {
GridLayout layout = new GridLayout(1, false);
layout.verticalSpacing = 10;
group.setLayout(layout);
// TableViewer是通过Table来布局的
// 制作表格 MULTI可多选 H_SCROLL有水平 滚动条、V_SCROLL有垂直滚动条、BORDER有边框、FULL_SELECTION整行选择
table = new Table(group, SWT.SINGLE | SWT.FULL_SELECTION | SWT.BORDER | SWT.VIRTUAL); // 注意此处的设置
TableLayout tableLayout = new TableLayout();
table.setLayout(tableLayout);
// 指定Table单元格的宽度和高度
table.addListener(
SWT.MeasureItem,
new Listener() { // 向表格增加一个SWT.MeasureItem监听器，每当需要单元内容的大小的时候就会被调用。
public void handleEvent(Event event) {
event.width = table.getGridLineWidth(); // 设置宽度
event.height =
(int) Math.floor(event.gc.getFontMetrics().getHeight() * 1.5); // 设置高度为字体高度的1.5倍
}
});
// 表格的视图
tableViewer = new TableViewer(table);
// 标题和网格线可见
tableViewer.getTable().setLinesVisible(true);
tableViewer.getTable().setHeaderVisible(true);
// 设置填充
// GridData data = new GridData(SWT.LEFT,SWT.CENTER, true, false);//SWT.FILL, SWT.FILL, true,
// false xbm
GridData data = new GridData(GridData.FILL_BOTH);
data.widthHint = 350;
data.heightHint = 295;
data.grabExcessHorizontalSpace = true;
tableViewer.getTable().setLayoutData(data); // 表格的布局
// 创建表格列的标题
int width = 1;
for (int i = 0; i < stationData.getColumnCount(); i++) {
width = stationData.getColumnWidth(i);
TableColumn column = new TableColumn(table, SWT.NONE);
column.setWidth((int) (width * 8));
column.setText(stationData.getColumnHeads()[i]); // 设置表头
column.setAlignment(SWT.LEFT); // 对齐方式SWT.LEFT
if (i == 0) // 站名
{
// 列的选择事件 实现排序
column.addSelectionListener(
new SelectionAdapter() {
boolean sortType = true; // sortType记录上一次的排序方式，默认为升序
public void widgetSelected(SelectionEvent e) {
sortType = !sortType; // 取反。下一次排序方式要和这一次的相反
tableViewer.setSorter(new StationSorter(sortType, stationData.columnHeads[0]));
}
});
}
}
/*tableLayout.addColumnData(new ColumnWeightData(8, 8, false));//设置列宽为8像素
TableColumn column_one = new TableColumn(table, SWT.NONE);//SWT.LEFT
column_one.setText(stationData.COLUMN_HEADINGS[0]);//设置表头
column_one.setAlignment(SWT.LEFT);//对齐方式SWT.LEFT
column.setWidth(10);//宽度
*/
// 设置标题的提供者
tableViewer.setLabelProvider(new TableLabelProvider());
// 设置表格视图的内容提供者
tableViewer.setContentProvider(new TableContentProvider());
// 设置列的属性.
tableViewer.setColumnProperties(stationData.columnHeads);
// 定义每一列的别名
tableViewer.setColumnProperties(new String[] {"name", "down", "up", "map"});
// 设置每一列的单元格编辑组件CellEditor
CellEditor[] celleditors = new CellEditor[5];
// 文本编辑框
celleditors[0] = null;
celleditors[1] = new TextCellEditor(table);
celleditors[2] = new TextCellEditor(table);
// CheckboxCellEditor(table) 复选框
celleditors[3] = new ComboBoxCellEditor(table, StationData.MAPS, SWT.READ_ONLY); // 下拉框
Text text = (Text) celleditors[1].getControl(); // 设置第down列只能输入数值
text.addVerifyListener(
new VerifyListener() {
public void verifyText(VerifyEvent e) {
// 输入控制键，输入中文，输入字符，输入数字 正整数验证
Pattern pattern = Pattern.compile("[0-9]\\d*"); // 正则表达式
Matcher matcher = pattern.matcher(e.text);
if (matcher.matches()) // 处理数字
{
/*if(Integer.parseInt(e.text) != 0)//确保输入的数字不是0
e.doit = true;
else
e.doit = false;
*/
e.doit = true;
} else if (e.text.length() > 0) // 字符: 包含中文、空格
e.doit = false;
else // 控制键
e.doit = true;
}
});
Text text1 = (Text) celleditors[2].getControl(); // 设置第up列只能输入数值
text1.addVerifyListener(
new VerifyListener() {
public void verifyText(VerifyEvent e) {
String inStr = e.text;
if (inStr.length() > 0) {
e.doit = NumberUtils.isDigits(inStr);
}
}
});
table.addMouseMoveListener(
new MouseMoveListener() {
public void mouseMove(MouseEvent e) {
if (StationData.reloadFlag) {
getStationInfo();
openCurrentTable(row);
StationData.reloadFlag = false;
// System.out.println("entry");
}
}
});
/*table.addFocusListener(new FocusListener(){
public void focusGained(FocusEvent e) {
getStationInfo();
openCurrentTable(row);
}
@Override
public void focusLost(FocusEvent e) {
}
});
*/
tableViewer.setCellEditors(celleditors);
// 设置单元的更改器
tableViewer.setCellModifier(new TableCellModifier());
tableViewer.addFilter(new TableViewerFilter()); // 过滤器
// 构造工具条
Composite buttonComposite = new Composite(group, SWT.NONE);
buttonComposite.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, false)); // 使工具条居中
Action actionModify =
new Action("更新") {
public void run() {
// 取得用户所选择的第一行, 若没有选择则为null
IStructuredSelection selection = (IStructuredSelection) tableViewer.getSelection();
// 获取选中的第一行数据
Station station = (Station) selection.getFirstElement();
if (station != null) {
if (updateStationInfo(
station.getStation_downnumber(),
station.getStation_upnumber(),
station.getStation_graph(),
station.getStation_name())) {
showMsg("成功更新!");
// 表格的刷新方法,界面会重新读取数据并显示
pushCommand();
tableViewer.refresh(); // false
} else {
showMsg("更新失败!");
// tableViewer.refresh();//false
}
} else {
showMsg("请选取进行更新的行！");
}
}
};
Action actionDelete =
new Action("删除") {
public void run() {
// 取得用户所选择的第一行, 若没有选择则为null
IStructuredSelection selection = (IStructuredSelection) tableViewer.getSelection();
// 获取选中的第一个数据
Station station = (Station) selection.getFirstElement();
if (station != null) {
// 先预先移动到下一行
Table table = tableViewer.getTable();
// int i = table.getSelectionIndex(); //取得当前所选行的序号，如没有则返回-1
// table.setSelection(i + 1); //当前选择行移下一行
// 确认删除
MessageBox messageBox =
new MessageBox(shell, SWT.YES | SWT.NO | SWT.ICON_INFORMATION);
messageBox.setText("提示信息");
messageBox.setMessage("确定要删除此记录吗?");
// SWT.YES 是 // SWT.NO 否 // SWT.CANCEL 取消 // SWT.RETRY 重试// SWT.ABORT 放弃// SWT.IGNORE
// 忽略
if (messageBox.open() == SWT.YES) {
if (deleteStationInfo(station.getStation_name())) // 从数据库中删除记录
{
// showMsg("成功删除!");
((List) tableViewer.getInput()).remove(station); // 数据模型的List容器中删除
stationData.remove(station.getStation_name());
openCurrentTable(row);
tableViewer.remove(station); // 从表格界面上删除
pushCommand();
} else showMsg("删除失败!");
}
} else {
showMsg("请选取要删除的纪录！");
}
}
};
Action actionClear = new Action("清空") { // 清除所显示内容，点击保存后更新库
public void run() {
if (clearStationInfo()) {
showMsg("清空操作成功!");
stationData.removeAll();
openCurrentTable(row);
pushCommand();
} else showMsg("清空操作失败!");
}
};
Action actionHelp =
new Action("帮助") {
public void run() {
String str = "更新：\n\r" + "先对某行内容进行修改,然后点击更新进行保存\n\r" + "清空：\n\r" + "从库中物理删除所有记录";
showMsg(str);
}
};
Action nextPage =
new Action("下一页") {
public void run() {
row++;
if (row > stationData.getTotalPageNum()) {
row--;
return;
}
openCurrentTable(row);
}
};
Action prevPage =
new Action("上一页") {
public void run() {
row--;
if (row < 1) {
row++;
return;
}
openCurrentTable(row);
}
};
Action refresh =
new Action("刷新") {
public void run() {
getStationInfo();
openCurrentTable(row);
}
};
// 工具条
ToolBar toolBar = new ToolBar(buttonComposite, SWT.FLAT | SWT.RIGHT); // |SWT.BORDER
// 工具条管理器
ToolBarManager manager = new ToolBarManager(toolBar);
// manager.add(refresh);
// manager.add(new Separator());
manager.add(nextPage);
manager.add(prevPage);
manager.add(new Separator());
manager.add(actionModify);
manager.add(actionDelete);
manager.add(actionClear);
manager.add(new Separator());
manager.add(actionHelp);
manager.update(true);
// 选中某行时，改变行的颜色
table.addListener(
SWT.EraseItem,
new Listener() {
public void handleEvent(Event event) {
event.detail &= ~SWT.HOT;
if ((event.detail & SWT.SELECTED) == 0) return;
int clientWidth = table.getClientArea().width;
GC gc = event.gc;
Color oldForeground = gc.getForeground();
Color oldBackground = gc.getBackground();
gc.setForeground(red);
// gc.setBackground(yellow);
gc.fillGradientRectangle(0, event.y, clientWidth, event.height, false);
gc.setForeground(oldForeground);
gc.setBackground(oldBackground);
event.detail &= ~SWT.SELECTED;
}
});
// 在tableviewer内部为数据记录和tableItem之间的映射创建一个hash表，这样可以加快tableItem的和记录间的查找速度
// 必须保证存在要显示的数据，否则程序出错。所以这里不能用下面的语句
// tableViewer.setUseHashlookup(true);//必须在setInput之前加入才有效
// 从服务器获取数据
getStationInfo();
// 通过setInput为table添加了一个list后，只要对这个list里的元素进行添加和删除，
// table中的数据就会自动添加和删除，当然每次操作后需要调用refresh方法对tableviewer进行刷新。
// 打开界面所显示的内容
tableViewer.setInput(stationData.getData()); // 自动输入数据 即将数据显示在表格中
tableViewer.setItemCount(stationData.PAGE_SIZE); // 设置显示的Item数
} //// createComp
private void updateImpButtons() {
boolean empty = fElementViewer.getSelection().isEmpty();
fRemoveButton.setEnabled(!empty);
boolean hasElements = fElementViewer.getTable().getItemCount() > 0;
fRemoveAllButton.setEnabled(hasElements);
}