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/*
@VaadinApache2LicenseForJavaFiles@
*/
package com.vaadin.terminal.gwt.client;
import java.io.Serializable;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.NativeEvent;
import com.google.gwt.user.client.Event;
/**
* Helper class to store and transfer mouse event details.
*/
public class MouseEventDetails implements Serializable {
public static final int BUTTON_LEFT = Event.BUTTON_LEFT;
public static final int BUTTON_MIDDLE = Event.BUTTON_MIDDLE;
public static final int BUTTON_RIGHT = Event.BUTTON_RIGHT;
private static final char DELIM = ',';
private int button;
private int clientX;
private int clientY;
private boolean altKey;
private boolean ctrlKey;
private boolean metaKey;
private boolean shiftKey;
private int type;
private int relativeX = -1;
private int relativeY = -1;
public int getButton() {
return button;
}
public int getClientX() {
return clientX;
}
public int getClientY() {
return clientY;
}
public boolean isAltKey() {
return altKey;
}
public boolean isCtrlKey() {
return ctrlKey;
}
public boolean isMetaKey() {
return metaKey;
}
public boolean isShiftKey() {
return shiftKey;
}
public int getRelativeX() {
return relativeX;
}
public int getRelativeY() {
return relativeY;
}
public MouseEventDetails(NativeEvent evt) {
this(evt, null);
}
public MouseEventDetails(NativeEvent evt, Element relativeToElement) {
type = Event.getTypeInt(evt.getType());
clientX = Util.getTouchOrMouseClientX(evt);
clientY = Util.getTouchOrMouseClientY(evt);
button = evt.getButton();
altKey = evt.getAltKey();
ctrlKey = evt.getCtrlKey();
metaKey = evt.getMetaKey();
shiftKey = evt.getShiftKey();
if (relativeToElement != null) {
relativeX = getRelativeX(clientX, relativeToElement);
relativeY = getRelativeY(clientY, relativeToElement);
}
}
private MouseEventDetails() {
}
@Override
public String toString() {
return serialize();
}
public String serialize() {
return "" + button + DELIM + clientX + DELIM + clientY + DELIM + altKey
+ DELIM + ctrlKey + DELIM + metaKey + DELIM + shiftKey + DELIM
+ type + DELIM + relativeX + DELIM + relativeY;
}
public static MouseEventDetails deSerialize(String serializedString) {
MouseEventDetails instance = new MouseEventDetails();
String[] fields = serializedString.split(",");
instance.button = Integer.parseInt(fields[0]);
instance.clientX = Integer.parseInt(fields[1]);
instance.clientY = Integer.parseInt(fields[2]);
instance.altKey = Boolean.valueOf(fields[3]).booleanValue();
instance.ctrlKey = Boolean.valueOf(fields[4]).booleanValue();
instance.metaKey = Boolean.valueOf(fields[5]).booleanValue();
instance.shiftKey = Boolean.valueOf(fields[6]).booleanValue();
instance.type = Integer.parseInt(fields[7]);
instance.relativeX = Integer.parseInt(fields[8]);
instance.relativeY = Integer.parseInt(fields[9]);
return instance;
}
public String getButtonName() {
if (button == BUTTON_LEFT) {
return "left";
} else if (button == BUTTON_RIGHT) {
return "right";
} else if (button == BUTTON_MIDDLE) {
return "middle";
}
return "";
}
public Class<MouseEventDetails> getType() {
return MouseEventDetails.class;
}
public boolean isDoubleClick() {
return type == Event.ONDBLCLICK;
}
private static int getRelativeX(int clientX, Element target) {
return clientX - target.getAbsoluteLeft() + target.getScrollLeft()
+ target.getOwnerDocument().getScrollLeft();
}
private static int getRelativeY(int clientY, Element target) {
return clientY - target.getAbsoluteTop() + target.getScrollTop()
+ target.getOwnerDocument().getScrollTop();
}
}
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