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64 lines
1.3 KiB
64 lines
1.3 KiB
package com.jotuntech.sketcher.client.command;
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import java.nio.ByteBuffer;
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import com.jotuntech.sketcher.client.Client;
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import com.jotuntech.sketcher.client.Command;
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import com.jotuntech.sketcher.client.Connection;
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import com.jotuntech.sketcher.common.Canvas;
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import com.jotuntech.sketcher.common.Layer;
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import com.jotuntech.sketcher.common.User;
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public class SetLayerCommand implements Command {
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Integer layerKey;
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public SetLayerCommand() {
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}
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public SetLayerCommand(Integer layerKey) {
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this.layerKey = layerKey;
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}
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public int perform(Client client, User user) {
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if(user == null) {
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return Connection.SEND_NONE;
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}
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if(user.isViewer()) {
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return Connection.SEND_NONE;
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}
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Canvas canvas = client.getCanvas();
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if(canvas == null) {
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return Connection.SEND_NONE;
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}
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Layer layer = canvas.getLayerMap().get(layerKey);
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if(layer == null) {
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return Connection.SEND_NONE;
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}
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if(user.getLayer() == layer) {
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return Connection.SEND_NONE;
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}
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user.setLayer(layer);
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if(user == client.getConnection().getUser()) {
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client.getUserInterface().updateLayer();
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}
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return Connection.SEND_OTHERS;
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}
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public void decode(ByteBuffer in) {
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layerKey = in.getInt();
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}
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public void encode(ByteBuffer out) {
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out.putInt(layerKey);
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}
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}
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