package org.quickbundle.mda.gc;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.dom4j.Element;
import org.dom4j.Node;
import org.eclipse.jface.dialogs.IPageChangingListener;
import org.eclipse.jface.dialogs.PageChangingEvent;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.ScrolledComposite;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Canvas;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Text;
import org.quickbundle.mda.gc.project.IConfigProject;
public class Config3MvmWizardPage extends WizardPage implements Listener {
//Wizard对象
private GenerateCodeRule gcRule = null;
private Combo comboMvm = null;
public Config3MvmWizardPage(GenerateCodeWizard currentWizard) {
super("mvmWizardPage");
setTitle("生成代码 3/3: 配置MVM参数");
//setDescription("请填入所有参数，然后点完成！");
this.gcRule = currentWizard.getGcRule();
}
public void createControl(final Composite parent) {
final int columns = 4; //定义列数
Composite container = null;
if(parent.getChildren() != null && parent.getChildren().length > 1 && parent.getChildren()[1] instanceof ScrolledComposite) {
ScrolledComposite scroll = (ScrolledComposite)parent.getChildren()[1];
container = new Composite(scroll, SWT.NULL);
scroll.setContent(container);
} else {
container = new Composite(parent, SWT.NULL);
}
container.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
container.setLayout(new GridLayout(columns, false));
GridData gd = null;
Label labelTemplateSource = new Label(container, SWT.NULL);
labelTemplateSource.setText("请选择模板源:");
gd = new GridData(GridData.CENTER);
gd.horizontalSpan = columns;
labelTemplateSource.setLayoutData(gd);
new Label(container, SWT.NULL).setText("模板");
comboMvm = new Combo(container, SWT.BORDER | SWT.SINGLE | SWT.READ_ONLY);
comboMvm.setItems(getMvmContextNames());
gd = new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalSpan = 3;
gd.widthHint = 800;
comboMvm.setLayoutData(gd);
new Label(container, SWT.NULL).setText("框架");
final Text textFramework = new Text(container, SWT.BORDER | SWT.SINGLE | SWT.READ_ONLY);
textFramework.setText("jQuery-1.6 + Html + SpringMVC-3.2 + Spring-3.2 + MyBatis-3.2");
gd = new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalSpan = 3;
textFramework.setLayoutData(gd);
createLine(container, columns);
Label labelProjectPropHead = new Label(container, SWT.NULL);
labelProjectPropHead.setText("请定义项目属性:");
gd = new GridData(GridData.CENTER);
gd.horizontalSpan = columns;
labelProjectPropHead.setLayoutData(gd);
//选择不同的mvm
final Canvas canvasProject = new Canvas(container, SWT.NONE);
gd = new GridData();
gd.horizontalAlignment = GridData.FILL;
gd.verticalAlignment = GridData.FILL;
gd.grabExcessHorizontalSpace = true;
gd.horizontalSpan = columns;
canvasProject.setLayoutData(gd);
comboMvm.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
Combo comboMvm = (Combo)e.getSource();
Element mvm = getMvm(comboMvm.getText());
textFramework.setText(mvm.valueOf("framework"));
String configProjectClass = mvm.valueOf("configProjectClass");
if(configProjectClass == null || configProjectClass.trim().length() == 0) {
return;
}
IConfigProject cp = null;
try {
cp = createInstance(configProjectClass.trim());
} catch (Exception e1) {
e1.printStackTrace();
updateStatus(e1.toString());
}
comboMvm.setData(cp);
cp.draw(canvasProject, getProjectMap());
bindFocusIn(canvasProject);
parent.layout();
}
});
if(comboMvm.getItemCount() > 0) {
comboMvm.select(0);
}
//定义Next事件
WizardDialog dialog = (WizardDialog) getContainer();
dialog.addPageChangingListener(new IPageChangingListener() {
public void handlePageChanging(PageChangingEvent event) {
if(event.getCurrentPage() instanceof Config3MvmWizardPage) {
}
}
});
setControl(container);
try {
doValidateSaveProject();
} catch (Exception e1) {
updateStatus("校验失败:" + e1.toString());
}
}
void bindFocusIn(Canvas canvasProject) {
Control[] controls = canvasProject.getChildren();
for(Control ctrl : controls) {
if(ctrl instanceof Text) {
ctrl.addListener(SWT.Modify, this);
}
}
}
IConfigProject createInstance(String configProjectClass) throws InstantiationException, IllegalAccessException, ClassNotFoundException {
Object obj =this.getClass().getClassLoader().loadClass(configProjectClass).newInstance();
return (IConfigProject)obj;
}
@SuppressWarnings("unchecked")
List<Element> getMvms() {
return gcRule.getMainRule().selectNodes("/rules/codegen/mvms/mvm");
}
String[] getMvmContextNames() {
List<Element> lMvm = getMvms();
List<String> result = new ArrayList<String>();
for(Element mvm : lMvm) {
result.add(mvm.valueOf("contextName"));
}
return result.toArray(new String[0]);
}
Element getMvm(String contextName) {
return (Element)gcRule.getMainRule().selectSingleNode("/rules/codegen/mvms/mvm[contextName='" + contextName + "']");
}
@SuppressWarnings("unchecked")
public Map<String, String> getProjectMap() {
Map<String, String> result = new HashMap<String, String>();
List<Node> lProperty = gcRule.getMainRule().selectNodes("/rules/project/node()");
for(Node property : lProperty) {
if(property instanceof Element) {
result.put(property.getName(), property.getText());
}
}
result.put("baseProjectPath", gcRule.getMainRule().valueOf("/rules/codegen/@baseProjectPath"));
return result;
}
//生成一行分隔线
public static void createLine(Composite container, int ncol) {
Label line = new Label(container, SWT.SEPARATOR | SWT.HORIZONTAL | SWT.BOLD);
GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
gridData.horizontalSpan = ncol;
line.setLayoutData(gridData);
}
public void handleEvent(Event event) {
if(event.type == SWT.Modify) {
try {
doValidateSaveProject();
} catch (Exception e1) {
updateStatus("校验失败:" + e1.toString());
e1.printStackTrace();
event.doit = false;
}
}
}
private void doValidateSaveProject() throws Exception {
Element mvms = (Element)gcRule.getMainRule().selectSingleNode("/rules/codegen/mvms");
mvms.addAttribute("contextName", comboMvm.getText());
IConfigProject cp = (IConfigProject)comboMvm.getData();
String errorMsg = cp.validate();
if(errorMsg != null) {
throw new RuntimeException(errorMsg);
}
Map<String, String> projectMap = cp.extractProjectMap();
Element project = (Element)gcRule.getMainRule().selectSingleNode("/rules/project");
for(Map.Entry<String, String> en : projectMap.entrySet()) {
Node node = project.selectSingleNode(en.getKey());
if(node == null) {
node = project.addElement(en.getKey());
}
node.setText(en.getValue());
}
gcRule.save();
updateStatus(null);
}
public void updateStatus(String message) {
setErrorMessage(message);
if(message == null) {
setPageComplete(true);
} else {
setPageComplete(false);
}
}
}