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import org.eclipse.swt.SWT;
import org.eclipse.swt.events.FocusEvent;
import org.eclipse.swt.events.FocusListener;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.events.KeyListener;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.MouseListener;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Widget;
public class PlanningComposite extends Composite implements MouseListener, FocusListener, KeyListener{
private Color activeSelectionBackground;
private Color inactiveSelectionBackground;
private Color activeSelectionForeground;
private Color inactiveSelectionForeground;
private static final int NUMBER_DAYS_PER_WEEK = 5;
private static final int NUMBER_AGENT = 6;
private static final String[] dayTitles= {"","lundi","mardi","mercredi","jeudi","vendredi"};
private PlanningCell[] pCells;
private PlanningCell selectedCell;
private int selectedCellIndex;
public PlanningComposite(Composite parent, int style) {
super(parent, style);
this.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));
activeSelectionBackground = getDisplay().getSystemColor(SWT.COLOR_LIST_SELECTION);
inactiveSelectionBackground = getBackground();
activeSelectionForeground = getDisplay().getSystemColor(SWT.COLOR_LIST_SELECTION_TEXT);
inactiveSelectionForeground = getForeground();
//Rectangle clientRect = getClientArea();
//this.setSize(clientRect.width, clientRect.height);
GridLayout gridLayout = new GridLayout();
gridLayout.makeColumnsEqualWidth = true;
gridLayout.numColumns = NUMBER_DAYS_PER_WEEK + 1;
gridLayout.marginHeight = 0;
gridLayout.marginWidth = 0;
gridLayout.horizontalSpacing = 0;
gridLayout.verticalSpacing = 0;
setLayout(gridLayout);
drawHeader();
drawCells();
addMouseListener(this);
addFocusListener(this);
addKeyListener(this);
}
private void drawHeader() {
for (int i=0;i < NUMBER_DAYS_PER_WEEK + 1;i++){
Label label = new Label(this, SWT.CENTER);
label.setText(dayTitles[i]);
label.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.GRAB_HORIZONTAL));
}
}
private void drawCells() {
int nbOfCells = (NUMBER_DAYS_PER_WEEK +1) * NUMBER_AGENT;
pCells = new PlanningCell[nbOfCells];
for (int i=0;i < nbOfCells;i++){
PlanningCell cell = new PlanningCell(this,SWT.BORDER);
cell.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.GRAB_HORIZONTAL));
pCells[i] = cell;
cell.addMouseListener(this);
cell.addKeyListener(this);
}
}
private int findCell(Widget cellComposite) {
for (int i = 0; i < pCells.length; i++) {
if (pCells[i] == cellComposite) {
selectedCellIndex = i;
return i;
}
}
return -1;
}
private void selectCell(int index) {
//On sort de la méthode si la cellule n'est pas selectionnable
if (index <=0 || index >= (NUMBER_DAYS_PER_WEEK +1) * NUMBER_AGENT
|| index != 0 && ( index % 6 == 0 ) ){
return;
};
//Déselection de la cellule selectionné précédemment
if (selectedCell != null){
selectedCell.setBackground(getBackground());
selectedCell.setForeground(getBackground());
}
//Sélection de la cellule
selectedCell = pCells[index];
selectedCellIndex = index;
selectedCell.setBackground(getSelectionBackgroundColor());
selectedCell.setForeground(getSelectionForegroundColor());
}
private Color getSelectionBackgroundColor() {
return isFocusControl() ? activeSelectionBackground : inactiveSelectionBackground;
}
private Color getSelectionForegroundColor() {
return isFocusControl() ? activeSelectionForeground : inactiveSelectionForeground;
}
@Override
public boolean isFocusControl() {
for (Control control = getDisplay().getFocusControl(); control != null; control = control.getParent()) {
if (control == this) {
return true;
}
}
return false;
}
@Override
public void focusGained(FocusEvent e) {
selectedCell.setBackground(getSelectionBackgroundColor());
selectedCell.setForeground(getSelectionForegroundColor());
}
@Override
public void focusLost(FocusEvent e) {
selectedCell.setBackground(getSelectionBackgroundColor());
selectedCell.setForeground(getSelectionForegroundColor());
}
@Override
public void mouseDoubleClick(MouseEvent e) {
}
@Override
public void mouseDown(MouseEvent e) {
if (e.button == 1) { // Left click
setFocus();
if (e.widget instanceof PlanningCell) {
int index = findCell(e.widget);
selectCell(index);
}
}
}
@Override
public void mouseUp(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void keyPressed(KeyEvent e) {
switch (e.keyCode) {
case SWT.ARROW_LEFT:
selectCell(selectedCellIndex - 1);
break;
case SWT.ARROW_RIGHT:
selectCell(selectedCellIndex + 1);
break;
case SWT.ARROW_UP:
selectCell(selectedCellIndex - 6);
break;
case SWT.ARROW_DOWN:
selectCell(selectedCellIndex + 6);
break;
}
}
@Override
public void keyReleased(KeyEvent e) {
}
} |
Keylistener sur le composite parent
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