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
/** @see PreferencePage#createContents(Composite) */
protected Control createContents(Composite ancestor) {
Composite parent = new Composite(ancestor, SWT.NULL);
GridLayout layout = new GridLayout();
layout.numColumns = 2;
layout.marginHeight = 0;
layout.marginWidth = 0;
parent.setLayout(layout);
// layout the top table & its buttons
Label label = new Label(parent, SWT.LEFT);
label.setText(XMLCompareMessages.XMLComparePreference_topTableLabel);
GridData data = new GridData();
data.horizontalAlignment = GridData.FILL;
data.horizontalSpan = 2;
label.setLayoutData(data);
fIdMapsTable = new Table(parent, SWT.SINGLE | SWT.BORDER | SWT.FULL_SELECTION);
fIdMapsTable.setHeaderVisible(true);
data = new GridData(GridData.FILL_BOTH);
data.heightHint = fIdMapsTable.getItemHeight() * 4;
fIdMapsTable.setLayoutData(data);
fIdMapsTable.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
selectionChanged();
}
});
String column2Text = XMLCompareMessages.XMLComparePreference_topTableColumn2;
String column3Text = XMLCompareMessages.XMLComparePreference_topTableColumn3;
ColumnLayoutData columnLayouts[] = {
new ColumnWeightData(1),
new ColumnPixelData(convertWidthInCharsToPixels(column2Text.length() + 2), true),
new ColumnPixelData(convertWidthInCharsToPixels(column3Text.length() + 5), true)
};
TableLayout tablelayout = new TableLayout();
fIdMapsTable.setLayout(tablelayout);
for (int i = 0; i < 3; i++) tablelayout.addColumnData(columnLayouts[i]);
TableColumn column = new TableColumn(fIdMapsTable, SWT.NONE);
column.setText(XMLCompareMessages.XMLComparePreference_topTableColumn1);
column = new TableColumn(fIdMapsTable, SWT.NONE);
column.setText(column2Text);
column = new TableColumn(fIdMapsTable, SWT.NONE);
column.setText(column3Text);
fillIdMapsTable();
Composite buttons = new Composite(parent, SWT.NULL);
buttons.setLayout(new GridLayout());
data = new GridData();
data.verticalAlignment = GridData.FILL;
data.horizontalAlignment = GridData.FILL;
buttons.setLayoutData(data);
fAddIdMapButton = new Button(buttons, SWT.PUSH);
fAddIdMapButton.setText(XMLCompareMessages.XMLComparePreference_topAdd);
fAddIdMapButton.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
addIdMap(fAddIdMapButton.getShell());
}
});
data = new GridData();
data.horizontalAlignment = GridData.FILL;
// data.heightHint = convertVerticalDLUsToPixels(IDialogConstants.BUTTON_HEIGHT);
int widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
data.widthHint =
Math.max(widthHint, fAddIdMapButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
fAddIdMapButton.setLayoutData(data);
fRenameIdMapButton = new Button(buttons, SWT.PUSH);
fRenameIdMapButton.setText(XMLCompareMessages.XMLComparePreference_topRename);
fRenameIdMapButton.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
renameIdMap(fRenameIdMapButton.getShell());
}
});
data = new GridData();
data.horizontalAlignment = GridData.FILL;
// data.heightHint = convertVerticalDLUsToPixels(IDialogConstants.BUTTON_HEIGHT);
widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
data.widthHint =
Math.max(widthHint, fAddIdMapButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
fRenameIdMapButton.setLayoutData(data);
fRemoveIdMapButton = new Button(buttons, SWT.PUSH);
fRemoveIdMapButton.setText(XMLCompareMessages.XMLComparePreference_topRemove);
fRemoveIdMapButton.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
removeIdMap(fRemoveIdMapButton.getShell());
}
});
data = new GridData();
data.horizontalAlignment = GridData.FILL;
// data.heightHint = convertVerticalDLUsToPixels(IDialogConstants.BUTTON_HEIGHT);
widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
data.widthHint =
Math.max(widthHint, fRemoveIdMapButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
fRemoveIdMapButton.setLayoutData(data);
createSpacer(buttons);
fEditIdMapButton = new Button(buttons, SWT.PUSH);
fEditIdMapButton.setText(XMLCompareMessages.XMLComparePreference_topEdit);
fEditIdMapButton.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
editIdMap(fEditIdMapButton.getShell());
}
});
data = new GridData();
data.horizontalAlignment = GridData.FILL;
// data.heightHint = convertVerticalDLUsToPixels(IDialogConstants.BUTTON_HEIGHT);
widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
data.widthHint =
Math.max(widthHint, fEditIdMapButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
fEditIdMapButton.setLayoutData(data);
// Spacer
label = new Label(parent, SWT.LEFT);
data = new GridData();
data.horizontalAlignment = GridData.FILL;
data.horizontalSpan = 2;
label.setLayoutData(data);
// layout the middle table & its buttons
label = new Label(parent, SWT.LEFT);
label.setText(XMLCompareMessages.XMLComparePreference_middleTableLabel);
data = new GridData();
data.horizontalAlignment = GridData.FILL;
data.horizontalSpan = 2;
label.setLayoutData(data);
fMappingsTable = new Table(parent, SWT.SINGLE | SWT.BORDER | SWT.FULL_SELECTION);
fMappingsTable.setHeaderVisible(true);
data = new GridData(GridData.FILL_BOTH);
data.heightHint = fMappingsTable.getItemHeight() * 4;
data.widthHint = convertWidthInCharsToPixels(70);
fMappingsTable.setLayoutData(data);
column3Text = XMLCompareMessages.XMLComparePreference_middleTableColumn3;
String column4Text = XMLCompareMessages.XMLComparePreference_middleTableColumn4;
columnLayouts =
new ColumnLayoutData[] {
new ColumnWeightData(10),
new ColumnWeightData(18),
new ColumnPixelData(convertWidthInCharsToPixels(column3Text.length() + 1), true),
new ColumnPixelData(convertWidthInCharsToPixels(column4Text.length() + 3), true)
};
tablelayout = new TableLayout();
fMappingsTable.setLayout(tablelayout);
for (int i = 0; i < 4; i++) tablelayout.addColumnData(columnLayouts[i]);
column = new TableColumn(fMappingsTable, SWT.NONE);
column.setText(XMLCompareMessages.XMLComparePreference_middleTableColumn1);
column = new TableColumn(fMappingsTable, SWT.NONE);
column.setText(XMLCompareMessages.XMLComparePreference_middleTableColumn2);
column = new TableColumn(fMappingsTable, SWT.NONE);
column.setText(column3Text);
column = new TableColumn(fMappingsTable, SWT.NONE);
column.setText(column4Text);
buttons = new Composite(parent, SWT.NULL);
buttons.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING));
layout = new GridLayout();
layout.marginHeight = 0;
layout.marginWidth = 0;
buttons.setLayout(layout);
fNewMappingsButton = new Button(buttons, SWT.PUSH);
fNewMappingsButton.setLayoutData(getButtonGridData(fNewMappingsButton));
fNewMappingsButton.setText(XMLCompareMessages.XMLComparePreference_middleNew);
fNewMappingsButton.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
addMapping(fAddIdMapButton.getShell());
}
});
fEditMappingsButton = new Button(buttons, SWT.PUSH);
fEditMappingsButton.setLayoutData(getButtonGridData(fEditMappingsButton));
fEditMappingsButton.setText(XMLCompareMessages.XMLComparePreference_middleEdit);
fEditMappingsButton.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
editMapping(fEditMappingsButton.getShell());
}
});
fRemoveMappingsButton = new Button(buttons, SWT.PUSH);
fRemoveMappingsButton.setLayoutData(getButtonGridData(fRemoveMappingsButton));
fRemoveMappingsButton.setText(XMLCompareMessages.XMLComparePreference_middleRemove);
fRemoveMappingsButton.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
removeMapping(fRemoveMappingsButton.getShell());
}
});
createSpacer(buttons);
// layout the botton table & its buttons
label = new Label(parent, SWT.LEFT);
label.setText(XMLCompareMessages.XMLComparePreference_bottomTableLabel);
data = new GridData();
data.horizontalAlignment = GridData.FILL;
data.horizontalSpan = 2;
label.setLayoutData(data);
fOrderedTable = new Table(parent, SWT.SINGLE | SWT.BORDER | SWT.FULL_SELECTION);
fOrderedTable.setHeaderVisible(true);
data = new GridData(GridData.FILL_BOTH);
data.heightHint = fOrderedTable.getItemHeight() * 2;
data.widthHint = convertWidthInCharsToPixels(70);
fOrderedTable.setLayoutData(data);
columnLayouts = new ColumnLayoutData[] {new ColumnWeightData(1), new ColumnWeightData(1)};
tablelayout = new TableLayout();
fOrderedTable.setLayout(tablelayout);
for (int i = 0; i < 2; i++) tablelayout.addColumnData(columnLayouts[i]);
column = new TableColumn(fOrderedTable, SWT.NONE);
column.setText(XMLCompareMessages.XMLComparePreference_bottomTableColumn1);
column = new TableColumn(fOrderedTable, SWT.NONE);
column.setText(XMLCompareMessages.XMLComparePreference_bottomTableColumn2);
buttons = new Composite(parent, SWT.NULL);
buttons.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING));
layout = new GridLayout();
layout.marginHeight = 0;
layout.marginWidth = 0;
buttons.setLayout(layout);
fNewOrderedButton = new Button(buttons, SWT.PUSH);
fNewOrderedButton.setLayoutData(getButtonGridData(fNewOrderedButton));
fNewOrderedButton.setText(XMLCompareMessages.XMLComparePreference_bottomNew);
fNewOrderedButton.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
addOrdered(fNewOrderedButton.getShell());
}
});
fEditOrderedButton = new Button(buttons, SWT.PUSH);
fEditOrderedButton.setLayoutData(getButtonGridData(fEditOrderedButton));
fEditOrderedButton.setText(XMLCompareMessages.XMLComparePreference_bottomEdit);
fEditOrderedButton.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
editOrdered(fEditOrderedButton.getShell());
}
});
fRemoveOrderedButton = new Button(buttons, SWT.PUSH);
fRemoveOrderedButton.setLayoutData(getButtonGridData(fRemoveOrderedButton));
fRemoveOrderedButton.setText(XMLCompareMessages.XMLComparePreference_bottomRemove);
fRemoveOrderedButton.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
removeOrdered(fRemoveOrderedButton.getShell());
}
});
createSpacer(buttons);
fIdMapsTable.setSelection(0);
fIdMapsTable.setFocus();
selectionChanged();
return parent;
}