/* Copyright (c) 2010, Carl Burch. License information is located in the
* com.cburch.logisim.Main source code and at www.cburch.com/logisim/. */
package com.cburch.draw.gui;
import java.util.HashMap;
import java.util.Map;
import com.cburch.draw.actions.ModelChangeAttributeAction;
import com.cburch.draw.canvas.Canvas;
import com.cburch.draw.canvas.Selection;
import com.cburch.draw.canvas.SelectionEvent;
import com.cburch.draw.canvas.SelectionListener;
import com.cburch.draw.model.AttributeMapKey;
import com.cburch.draw.model.CanvasModel;
import com.cburch.draw.model.CanvasObject;
import com.cburch.logisim.data.Attribute;
import com.cburch.logisim.data.AttributeSet;
import com.cburch.logisim.gui.generic.AttrTableSetException;
import com.cburch.logisim.gui.generic.AttributeSetTableModel;
class AttrTableSelectionModel extends AttributeSetTableModel
implements SelectionListener {
private Canvas canvas;
public AttrTableSelectionModel(Canvas canvas) {
super(new SelectionAttributes(canvas.getSelection()));
this.canvas = canvas;
canvas.getSelection().addSelectionListener(this);
}
@Override
public String getTitle() {
Selection sel = canvas.getSelection();
Class<? extends CanvasObject> commonClass = null;
int commonCount = 0;
CanvasObject firstObject = null;
int totalCount = 0;
for (CanvasObject obj : sel.getSelected()) {
if (firstObject == null) {
firstObject = obj;
commonClass = obj.getClass();
commonCount = 1;
} else if (obj.getClass() == commonClass) {
commonCount++;
} else {
commonClass = null;
}
totalCount++;
}
if (firstObject == null) {
return null;
} else if (commonClass == null) {
return Strings.get("selectionVarious", "" + totalCount);
} else if (commonCount == 1) {
return Strings.get("selectionOne", firstObject.getDisplayName());
} else {
return Strings.get("selectionMultiple", firstObject.getDisplayName(),
"" + commonCount);
}
}
@Override
public void setValueRequested(Attribute<Object> attr, Object value)
throws AttrTableSetException {
SelectionAttributes attrs = (SelectionAttributes) getAttributeSet();
HashMap<AttributeMapKey, Object> oldVals;
oldVals = new HashMap<AttributeMapKey, Object>();
HashMap<AttributeMapKey, Object> newVals;
newVals = new HashMap<AttributeMapKey, Object>();
for (Map.Entry<AttributeSet, CanvasObject> ent : attrs.entries()) {
AttributeMapKey key = new AttributeMapKey(attr, ent.getValue());
oldVals.put(key, ent.getKey().getValue(attr));
newVals.put(key, value);
}
CanvasModel model = canvas.getModel();
canvas.doAction(new ModelChangeAttributeAction(model, oldVals, newVals));
}
//
// SelectionListener method
//
public void selectionChanged(SelectionEvent e) {
fireTitleChanged();
}
}