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imxmi/src/main/java/com/idcanet/vasc/frontends/swt/SwtVascFrontend.java
willem.cazander 4f409296d0 splitted the event listeners
2010-08-26 00:51:14 +02:00

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/*
* Copyright 2004-2007 IDCA. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
* following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of conditions and
* the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions
* and the following disclaimer in the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY IDCA AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL IDCA OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the authors and
* should not be interpreted as representing official policies, either expressed or implied, of IDCA.
*/
package com.idcanet.vasc.frontends.swt;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ControlEvent;
import org.eclipse.swt.events.ControlListener;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.Text;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;
import com.idcanet.vasc.core.AbstractVascFrontend;
import com.idcanet.vasc.core.VascEntry;
import com.idcanet.vasc.core.VascEntryField;
import com.idcanet.vasc.core.VascException;
import com.idcanet.vasc.core.VascFrontendData;
import com.idcanet.vasc.core.actions.GlobalVascAction;
import com.idcanet.vasc.core.actions.RowVascAction;
import com.idcanet.vasc.core.entry.VascEntryFrontendEventListener;
import com.idcanet.vasc.core.entry.VascEntryExporter;
import com.idcanet.vasc.core.entry.VascEntryFrontendEventListener.VascFrontendEventType;
import com.idcanet.vasc.core.ui.VascOptionValueModelListener;
import com.idcanet.vasc.core.ui.VascUIComponent;
import com.idcanet.vasc.core.ui.VascValueModel;
import com.idcanet.vasc.core.ui.VascValueModelListener;
import com.idcanet.vasc.frontends.swt.ui.SwtBoolean;
import com.idcanet.vasc.frontends.swt.ui.SwtButton;
import com.idcanet.vasc.frontends.swt.ui.SwtLabel;
import com.idcanet.vasc.frontends.swt.ui.SwtList;
import com.idcanet.vasc.frontends.swt.ui.SwtText;
import com.idcanet.vasc.frontends.swt.ui.SwtTextArea;
/**
*
* @author Willem Cazander
* @version 1.0 Mar 21, 2007
*/
public class SwtVascFrontend extends AbstractVascFrontend {
private Logger logger = null;
private Composite parent = null;
private boolean renderGlobalActions = true;
public SwtVascFrontend(Composite parent) {
logger = Logger.getLogger(SwtVascFrontend.class.getName());
this.parent=parent;
}
/**
* Add swt implmented ui components
*/
protected void addUiComponents() {
VascFrontendData vfd = getVascEntry().getVascFrontendData();
// required UI components
vfd.putVascUIComponent(VascUIComponent.VASC_LABEL,SwtLabel.class.getName());
vfd.putVascUIComponent(VascUIComponent.VASC_TEXT, SwtText.class.getName());
vfd.putVascUIComponent(VascUIComponent.VASC_BUTTON, SwtButton.class.getName());
vfd.putVascUIComponent(VascUIComponent.VASC_LIST, SwtList.class.getName());
// optional UI components
vfd.putVascUIComponent(VascUIComponent.VASC_BOOLEAN , SwtBoolean.class.getName());
//vfd.putVascUIComponent(VascUIComponent.VASC_DATE , SwtDate.class.getName());
vfd.putVascUIComponent(VascUIComponent.VASC_TEXTAREA, SwtTextArea.class.getName());
//vfd.putVascUIComponent(VascUIComponent.VASC_COLOR, SwtColorChooser.class.getName());
}
/**
* @return the renderGlobalActions
*/
public boolean isRenderGlobalActions() {
return renderGlobalActions;
}
/**
* @param renderGlobalActions the renderGlobalActions to set
*/
public void setRenderGlobalActions(boolean renderGlobalActions) {
this.renderGlobalActions = renderGlobalActions;
}
@Override
protected Object i18nImage(String key) {
if (entry.getVascFrontendData().getVascEntryResourceImageResolver()==null) {
return null;
}
return entry.getVascFrontendData().getVascEntryResourceImageResolver().getImageValue(entry,key);
}
private static final String[] FILTER_NAMES = {
"All Files (*.*)",
"Comma Separated Values Files (*.csv)",
"Microsoft Excel Spreadsheet Files (*.xls)",
};
/** These filter extensions are used to filter which files are displayed. */
private static final String[] FILTER_EXTS = { "*.*","*.csv","*.xls" };
public void renderExport(VascEntryExporter exporter) throws Exception {
FileDialog dlg = new FileDialog(Display.getCurrent().getActiveShell(), SWT.SAVE);
dlg.setFilterNames(FILTER_NAMES);
dlg.setFilterExtensions(FILTER_EXTS);
dlg.setFileName(entry.getName()+".csv");
String fileName = dlg.open();
logger.fine("FileName: "+fileName);
if (fileName == null) {
return;
}
OutputStream out = new FileOutputStream(fileName);
try {
exporter.doExport(out, entry);
} catch (Exception e) {
//MessageDialog.openError(Display.getCurrent().getActiveShell(),crudTable.i18n("crud.event.export.error.title"),crudTable.i18n("crud.event.export.error.message"));
logger.log(Level.WARNING,"Error: "+e.getMessage(),e);
} finally {
if (out!=null) {
out.close();
}
}
}
public void renderEdit() throws Exception {
logger.fine("Rending Edit View");
SwtVascEditDialog dialog = new SwtVascEditDialog(entry);
dialog.open();
}
public void renderDelete() throws Exception {
boolean del = askDelete( Display.getCurrent().getActiveShell() );
if (del==false) {
return;
}
// yes
entry.getVascFrontendData().getVascFrontendHelper().deleteObject(entry);
}
private boolean askDelete(Shell shell) {
logger.finest("Asking for delete");
MessageBox askDelete = new MessageBox(shell,SWT.ICON_QUESTION|SWT.YES|SWT.NO);
askDelete.setText(i18n("crud.event.delete.confim.title"));
askDelete.setMessage(i18n("crud.event.delete.confim.question"));
int state = askDelete.open();
if (state == SWT.YES) {
return true;
}
return false;
}
public void renderView() throws Exception {
GridLayout layout = new GridLayout();
layout.marginHeight = 0;
layout.marginWidth = 0;
parent.setLayout(layout);
Composite header = new Composite(parent, SWT.NONE);
GridLayout headerLayout = new GridLayout();
headerLayout.numColumns = 6;
header.setLayout(headerLayout);
header.setLayoutData(new GridData(SWT.NONE));
Composite body = new Composite(parent, SWT.NONE);
GridLayout bodyLayout = new GridLayout();
bodyLayout.numColumns = 1;
body.setLayout(bodyLayout);
body.setLayoutData(new GridData(GridData.FILL_BOTH));
Composite footer = new Composite(parent, SWT.NONE);
GridLayout footerLayout = new GridLayout();
footerLayout.numColumns = 6;
footer.setLayout(footerLayout);
footer.setLayoutData(new GridData(SWT.NONE));
createHeader(header);
createBody(body);
createFooter(footer);
}
public void createHeader(Composite header) {
logger.finest("Creating header");
Color c = header.getDisplay().getSystemColor(SWT.COLOR_WHITE);
GridLayout layout = new GridLayout();
layout.marginHeight = 0;
layout.marginWidth = 0;
layout.marginTop = 0;
header.setLayout(layout);
header.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
header.setBackground(c);
if (isRenderGlobalActions()) {
Composite headerBar = new Composite(header, SWT.NONE);
//GridLayout headerLayout = new GridLayout();
//headerLayout.numColumns = 1;
headerBar.setLayout(new FillLayout());
//headerBar.setLayoutData(new GridData(GridData.FILL_BOTH));
ToolBar toolBar = new ToolBar(headerBar, SWT.NONE);
for (GlobalVascAction action:entry.getGlobalActions()) {
if (entry.getVascFrontendData().getVascFrontendHelper().renderGlobalVascAction(action)==false) {
continue;
}
ToolItem item = new ToolItem(toolBar, SWT.PUSH);
item.setText(i18n(action.getName()));
item.setToolTipText(i18n(action.getDescription()));
item.setImage((Image)i18nImage(action.getImage()));
item.addSelectionListener(new GlobalActionListener(action));
}
}
Composite headerName = new Composite(header, SWT.NONE);
GridLayout bodyLayout = new GridLayout();
bodyLayout.numColumns = 2;
headerName.setLayout(bodyLayout);
headerName.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
headerName.setBackground(c);
Label l = new Label(headerName, SWT.CENTER);
l.setImage((Image)i18nImage(entry.getListImage()));
l.setBackground(c);
Font headerFont = new Font(header.getDisplay(), "verdana", 16, SWT.BOLD);
l = new Label(headerName, SWT.CENTER);
l.setFont(headerFont);
l.setText(i18n(entry.getName()));
l.setBackground(c);
Composite headerText = new Composite(header, SWT.NONE);
bodyLayout = new GridLayout();
bodyLayout.numColumns = 1;
headerText.setLayout(bodyLayout);
headerText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
headerText.setBackground(c);
l = new Label(headerText, SWT.CENTER);
l.setText(i18n(entry.getListDescription()));
l.setBackground(c);
Composite headerSplit = new Composite(header, SWT.NONE);
GridLayout headerSplitLayout = new GridLayout();
headerSplitLayout.numColumns = 2;
headerSplit.setLayout(headerSplitLayout);
headerSplit.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
Composite headerOptions = new Composite(headerSplit, SWT.NONE);
GridLayout headerOptionsLayout = new GridLayout();
headerOptionsLayout.numColumns = 2;
headerOptions.setLayout(headerOptionsLayout);
headerOptions.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
try {
for (VascEntryField option:entry.getListOptions()) {
for (int i=0;i<option.getVascEntryFieldType().getUIComponentCount(option);i++) {
com.idcanet.vasc.core.ui.VascUIComponent label = option.getVascEntryFieldType().provideLabelUIComponent(i,option);
VascValueModel model = new VascValueModel();
model.setValue(i18n(option.getName()));
label.createComponent(entry,option,model,headerOptions);
com.idcanet.vasc.core.ui.VascUIComponent editor = option.getVascEntryFieldType().provideEditorUIComponent(i,option);
model = new VascValueModel(option.getVascEntryFieldType().provideEditorVascValueModel(i,option));
model.addListener(new VascOptionValueModelListener(option));
model.setValue(null);
model.addListener(new VascValueModelListener() {
public void valueUpdate(VascValueModel model) throws VascException {
entry.getVascFrontendData().getVascFrontendHelper().refreshData(entry);// mm
}
});
Object edit = editor.createComponent(entry,option,model,headerOptions);
// i==0 is for multi field editor support... which is stell very in progress
if (i==0) {
entry.getVascFrontendData().addFieldVascUIComponents(option, editor,edit);
}
}
}
Composite headerRightOptions = new Composite(headerSplit, SWT.NONE | SWT.RIGHT | SWT.TOP );
GridLayout headerRightOptionsLayout = new GridLayout();
headerRightOptionsLayout.numColumns = 2;
headerRightOptions.setLayout(headerRightOptionsLayout);
headerRightOptions.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
Label searchLabel = new Label(headerRightOptions, SWT.CENTER);
searchLabel.setText("Zoeken:");
final Text text = new Text(headerRightOptions, SWT.NONE | SWT.BORDER );
text.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
String value = text.getText();
try {
entry.getVascFrontendData().getVascFrontendHelper().searchAction(entry, value);
} catch (Exception ee) {
entry.getVascFrontendData().getVascFrontendHelper().handleException(entry,ee);
}
}
});
entry.getVascFrontendData().getVascFrontendHelper().headerOptionsCreatedFillData(entry);
} catch (Exception e) {
e.printStackTrace();
}
}
class GlobalActionListener extends SelectionAdapter {
private GlobalVascAction action = null;
public GlobalActionListener(GlobalVascAction action) {
this.action=action;
}
/**
* @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
*/
@Override
public void widgetSelected(SelectionEvent event) {
logger.fine("Global Action");
try {
action.doGlobalAction(entry);
} catch (Exception e) {
entry.getVascFrontendData().getVascFrontendHelper().handleException(entry,e);
}
}
}
public void createBody(Composite body) {
logger.finer("Creating body");
// Create the table viewer to display the players
// SWT.CHECK
final TableViewer tableViewer = new TableViewer(body, SWT.SINGLE | SWT.FULL_SELECTION | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER );
final Table table2 = tableViewer.getTable();
table2.setLayoutData(new GridData(GridData.FILL_BOTH));
table2.setHeaderVisible(true);
table2.setLinesVisible(true);
body.addControlListener(new ResizeTableControlListener(body,table2));
table2.addSelectionListener(new SelectionListener() {
/**
* @see org.eclipse.swt.events.SelectionListener#widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent)
*/
public void widgetDefaultSelected(SelectionEvent e) {
}
/**
* @see org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt.events.SelectionEvent)
*/
public void widgetSelected(SelectionEvent e) {
Object data = e.item.getData();
logger.fine("Slecting data: "+data);
entry.getVascFrontendData().getVascEntryState().setEntryDataObject(data);
}
});
// Set the content and label providers
tableViewer.setContentProvider(new ListConverterContentProvider());
tableViewer.setLabelProvider(new DefaultLabelProvider(entry));
//TODO: add renderer support
//Add sort indicator and sort data when column selected
Listener sortListener = new Listener() {
public void handleEvent(Event e) {
// determine new sort column and direction
TableColumn sortColumn = table2.getSortColumn();
TableColumn currentColumn = (TableColumn) e.widget;
int dir = table2.getSortDirection();
if (sortColumn == currentColumn) {
dir = dir == SWT.UP ? SWT.DOWN : SWT.UP;
} else {
table2.setSortColumn(currentColumn);
dir = SWT.UP;
}
table2.setSortDirection(dir);
VascEntryField field = (VascEntryField)currentColumn.getData();
entry.getVascFrontendData().getVascFrontendHelper().sortAction(entry, field);
}
};
entry.getVascFrontendData().addVascEntryFrontendEventListener(new VascEntryFrontendEventListener() {
public VascFrontendEventType[] getEventTypes() {
VascFrontendEventType[] result = {VascEntryFrontendEventListener.VascFrontendEventType.DATA_LIST_UPDATE};
return result;
}
public void vascEvent(VascEntry entry,Object data) {
tableViewer.refresh();
table2.deselectAll();
}
});
for (VascEntryField c:entry.getVascEntryFields()) {
if (entry.getVascFrontendData().getVascFrontendHelper().renderList(c)==false) {
continue;
}
TableColumn tc = new TableColumn(table2, SWT.LEFT);
tc.setText(i18n(c.getName()));
tc.setData(c);
tc.setToolTipText(i18n(c.getDescription()));
tc.setImage((Image)i18nImage(c.getImage()));
tc.addListener(SWT.Selection, sortListener);
tc.setMoveable(true);
tc.setResizable(true);
}
int totalWidth = entry.getVascFrontendData().getVascFrontendHelper().getTotalColumnsWidth(entry);
logger.finer("Total size: "+totalWidth);
TableColumn[] columns = table2.getColumns();
for (int i = 0; i < columns.length; i++) {
VascEntryField c = (VascEntryField)columns[i].getData();
Integer cWidth = c.getSizeList();
if (cWidth!=null) {
//int w = (int)((double)totalSize/(double)totalSize)*cWidth;
columns[i].setWidth(cWidth);
//logger.finest("Setting column width: "+w+" total: "+totalSize+" c: "+cWidth+" of column: "+i);
} else {
columns[i].pack();
}
}
logger.fine("Table with columns created: "+table2.getColumnCount());
tableViewer.setInput(entry);
tableViewer.refresh();
}
class ResizeTableControlListener implements ControlListener {
Composite comp = null;
Table table = null;
public ResizeTableControlListener(Composite comp,Table table) {
this.comp=comp;
this.table=table;
}
public void controlResized(ControlEvent e) {
Rectangle area = comp.getClientArea();
Point preferredSize = table.computeSize(SWT.DEFAULT, SWT.DEFAULT);
int width = area.width - 2*table.getBorderWidth();
if (preferredSize.y > area.height + table.getHeaderHeight()) {
// Subtract the scrollbar width from the total column width
// if a vertical scrollbar will be required
Point vBarSize = table.getVerticalBar().getSize();
width -= vBarSize.x;
}
Point oldSize = table.getSize();
if (oldSize.x > area.width) {
// table is getting smaller so make the columns
// smaller first and then resize the table to
// match the client area width
table.setSize(area.width, area.height);
} else {
// table is getting bigger so make the table
// bigger first and then make the columns wider
// to match the client area width
table.setSize(area.width, area.height);
//column1.setWidth(width/3);
//column2.setWidth(width - column1.getWidth());
}
}
public void controlMoved(ControlEvent e) {
}
}
public void createFooter(Composite footer) {
logger.finest("Creating footer");
for( RowVascAction action:entry.getRowActions()) {
if (entry.getVascFrontendData().getVascFrontendHelper().renderRowVascAction(action)==false) {
continue;
}
Button actionButton = new Button(footer, SWT.NONE);
actionButton.setText(i18n(action.getName()));
actionButton.setToolTipText(i18n(action.getDescription()));
actionButton.setImage((Image)i18nImage(action.getImage()));
actionButton.addSelectionListener(new ActionListener(action));
}
}
class ActionListener extends SelectionAdapter {
private RowVascAction action = null;
public ActionListener(RowVascAction action) {
this.action=action;
}
/**
* @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
*/
@Override
public void widgetSelected(SelectionEvent event) {
logger.fine("Row Action");
try {
action.doRowAction(entry, entry.getVascFrontendData().getVascEntryState().getEntryDataObject());
} catch (Exception e) {
entry.getVascFrontendData().getVascFrontendHelper().handleException(entry,e);
}
}
}
class DefaultLabelProvider implements ITableLabelProvider {
private VascEntry entry = null;
public DefaultLabelProvider(VascEntry entry) {
this.entry=entry;
}
/**
* @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnImage(java.lang.Object, int)
*/
public Image getColumnImage(Object arg0, int arg1) {
return null;
}
/**
* @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnText(java.lang.Object, int)
*/
public String getColumnText(Object bean, int columnNumber) {
int col=0;
VascEntryField vtc = null;
for (VascEntryField c:entry.getVascEntryFields()) {
if (entry.getVascFrontendData().getVascFrontendHelper().renderList(c)==false) {
continue;
}
if (col==columnNumber) {
vtc = c;
break;
}
col++;
}
if (vtc==null) {
// should not happen
vtc = entry.getVascEntryFields().get(columnNumber);
}
//if (vtc.getVascColumnRenderer()==null) {
try {
return vtc.getVascEntryFieldValue().getDisplayValue(vtc,bean);
} catch (Exception e) {
logger.log(Level.WARNING,"Error in get value: '"+vtc.getVascEntryFieldValue()+"' error: "+e.getMessage(),e);
return "Err";
}
//}
// see custem column renderer, so this code will never be called
//return "CUSTEM_RENDER";
}
/**
* @see org.eclipse.jface.viewers.IBaseLabelProvider#addListener(org.eclipse.jface.viewers.ILabelProviderListener)
*/
public void addListener(ILabelProviderListener arg0) {
}
/**
* @see org.eclipse.jface.viewers.IBaseLabelProvider#dispose()
*/
public void dispose() {
}
/**
* @see org.eclipse.jface.viewers.IBaseLabelProvider#isLabelProperty(java.lang.Object, java.lang.String)
*/
public boolean isLabelProperty(Object arg0, String arg1) {
return false;
}
/**
* @see org.eclipse.jface.viewers.IBaseLabelProvider#removeListener(org.eclipse.jface.viewers.ILabelProviderListener)
*/
public void removeListener(ILabelProviderListener arg0) {
}
}
class ListConverterContentProvider implements IStructuredContentProvider {
/**
* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
*/
public Object[] getElements(Object obj) {
return ((VascEntry)obj).getVascFrontendData().getVascEntryState().getEntryDataList().toArray();
}
/**
* @see org.eclipse.jface.viewers.IContentProvider#dispose()
*/
public void dispose() {
}
/**
* @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
*/
public void inputChanged(Viewer arg0, Object arg1, Object arg2) {
}
}
}
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