package net.mograsim.logic.ui.model.components;
import java.util.ArrayList;
-import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
-import java.util.TreeMap;
import java.util.function.Consumer;
-import java.util.function.Supplier;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonNull;
import net.haspamelodica.swt.helper.gcs.GeneralGC;
import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
import net.mograsim.logic.ui.model.ViewModelModifiable;
import net.mograsim.logic.ui.model.wires.Pin;
+/**
+ * The base class for all GUI components.<br>
+ * A <code>GUIComponent</code> has a position and size. The size can only be modified by subclasses.<br>
+ *
+ * @author Daniel Kirschten
+ */
public abstract class GUIComponent
{
+ /**
+ * The model this component is a part of.
+ */
protected final ViewModelModifiable model;
private final Rectangle bounds;
+ /**
+ * The list of all pins of this component by name.
+ */
private final Map<String, Pin> pinsByName;
- protected final Collection<Pin> pinsUnmodifiable;
+ /**
+ * An unmodifiable view of {@link #pinsByName}.
+ */
+ protected final Map<String, Pin> pinsUnmodifiable;
private final List<Consumer<? super GUIComponent>> componentMovedListeners;
+ private final List<Consumer<? super GUIComponent>> componentResizedListeners;
private final List<Consumer<? super Pin>> pinAddedListeners;
private final List<Consumer<? super Pin>> pinRemovedListeners;
private final List<Runnable> redrawListeners;
private final Runnable redrawListenerForSubcomponents;
- // Defines how the GUIComponent is referenced in SubmodelComponentParams
- protected Supplier<String> identifierDelegate = () -> "class:".concat(getClass().getCanonicalName());
+ // creation and destruction
public GUIComponent(ViewModelModifiable model)
{
this.model = model;
this.bounds = new Rectangle(0, 0, 0, 0);
this.pinsByName = new HashMap<>();
- this.pinsUnmodifiable = Collections.unmodifiableCollection(pinsByName.values());
+ this.pinsUnmodifiable = Collections.unmodifiableMap(pinsByName);
this.componentMovedListeners = new ArrayList<>();
+ this.componentResizedListeners = new ArrayList<>();
this.pinAddedListeners = new ArrayList<>();
this.pinRemovedListeners = new ArrayList<>();
this.redrawListeners = new ArrayList<>();
- redrawListenerForSubcomponents = this::callRedrawListeners;
+ redrawListenerForSubcomponents = this::requestRedraw;
model.componentCreated(this);
}
+ /**
+ * Destroys this component. This method implicitly calls {@link ViewModelModifiable#componentDestroyed(GUIComponent)
+ * componentDestroyed()} for the model this component is a part of.
+ *
+ * @author Daniel Kirschten
+ */
public void destroy()
{
pinsByName.values().forEach(p -> pinRemovedListeners.forEach(l -> l.accept(p)));
model.componentDestroyed(this);
}
- public void moveTo(double x, double y)
- {
- bounds.x = x;
- bounds.y = y;
- callComponentMovedListeners();
- }
+ // pins
/**
- * Returns the bounds of this component. Used for calculating which component is clicked.
+ * Adds the given pin to this component and calls pinAddedListeners and redrawListeners.
+ *
+ * @throws IllegalArgumentException if the pin doesn't belong to this component
+ * @throws IllegalArgumentException if there already is a pin with the given name
+ *
+ * @author Daniel Kirschten
*/
- public Rectangle getBounds()
+ protected void addPin(Pin pin)
{
- return new Rectangle(bounds.x, bounds.y, bounds.width, bounds.height);
+ if (pin.component != this)
+ throw new IllegalArgumentException("Can't add a pin not belonging to this component!");
+ if (pinsByName.containsKey(pin.name))
+ throw new IllegalArgumentException("Duplicate pin name: " + pin.name);
+ pinsByName.put(pin.name, pin);
+ callPinAddedListeners(pin);
+ pin.addRedrawListener(redrawListenerForSubcomponents);
+ requestRedraw();
}
/**
- * Called when this component is clicked. Absolute coordinates of the click are given. Returns true if this component consumed this
- * click.
+ * Removes the given pin from this component and calls pinAddedListeners and redrawListeners.
+ *
+ * @throws NullPointerException if there was no pin with this name
+ *
+ * @author Daniel Kirschten
*/
- @SuppressWarnings({ "static-method", "unused" }) // this method is inteded to be overridden
- public boolean clicked(double x, double y)
+ protected void removePin(String name)
{
- return false;
+ Pin pin = pinsByName.remove(name);
+ callPinRemovedListeners(pin);
+ pin.removeRedrawListener(redrawListenerForSubcomponents);
+ requestRedraw();
}
/**
* Returns a collection of pins of this component.
+ *
+ * @author Daniel Kirschten
*/
- public Collection<Pin> getPins()
+ public Map<String, Pin> getPins()
{
return pinsUnmodifiable;
}
+ /**
+ * Returns the pin with the given name of this component.
+ *
+ * @throws IllegalArgumentException if there is no pin with the given name
+ *
+ * @author Daniel Kirschten
+ */
public Pin getPin(String name)
{
Pin pin = pinsByName.get(name);
return pin;
}
- // @formatter:off
- public void addComponentMovedListener (Consumer<? super GUIComponent> listener) {componentMovedListeners.add (listener);}
- public void addPinAddedListener (Consumer<? super Pin > listener) {pinAddedListeners .add (listener);}
- public void addPinRemovedListener (Consumer<? super Pin > listener) {pinRemovedListeners .add (listener);}
- public void addRedrawListener (Runnable listener) {redrawListeners .add (listener);}
-
- public void removeComponentMovedListener(Consumer<? super GUIComponent> listener) {componentMovedListeners .remove(listener);}
- public void removePinAddedListener (Consumer<? super Pin > listener) {pinAddedListeners .remove(listener);}
- public void removePinRemovedListener (Consumer<? super Pin > listener) {pinRemovedListeners .remove(listener);}
- public void removeRedrawListener (Runnable listener) {redrawListeners .remove(listener);}
-
- private void callComponentMovedListeners( ) {componentMovedListeners.forEach(l -> l.accept(this));}
- private void callPinAddedListeners (Pin p) {pinAddedListeners .forEach(l -> l.accept(p ));}
- private void callPinRemovedListeners (Pin p) {pinRemovedListeners .forEach(l -> l.accept(p ));}
- private void callRedrawListeners ( ) {redrawListeners .forEach(l -> l.run( ));}
- // @formatter:on
+ // high-level access
/**
- * Render this component to the given gc.
+ * Sets the given high-level state to the given value. <br>
+ * A high level state ID consists of parts separated by dots ('.').<br>
+ * The last part (the part after the last dot) is called "atomic high level state ID". The parts before that part are called
+ * "subcomponent ID"s.<br>
+ * If there is no dot in a high level state ID, the whole high level state ID is called atomic.<br>
+ * Note that subcomponent IDs don't have to correspond to actual subcomponents. For example, a RAM component may supply subcomponent IDs
+ * "c0000", "c0001" ... "cFFFF" without actually having a subcomponent for each cell. It also is allowed for an atomic high level state
+ * ID to be delegated to a subcomponent.
+ *
+ * @author Daniel Kirschten
*/
- public abstract void render(GeneralGC gc, Rectangle visibleRegion);
+ @SuppressWarnings({ "static-method", "unused" }) // this method is intended to be overridden
+ public void setHighLevelState(String stateID, Object newState)
+ {
+ throw new IllegalArgumentException("No high level state with ID " + stateID);
+ }
- protected void requestRedraw()
+ /**
+ * Gets the current value of the given high-level state. <br>
+ * See {@link #setHighLevelState(String, Object)} for an explanation of high-level state IDs.
+ *
+ * @author Daniel Kirschten
+ */
+ @SuppressWarnings("static-method") // this method is intended to be overridden
+ public Object getHighLevelState(String stateID)
{
- callRedrawListeners();
+ throw new IllegalArgumentException("No high level state with ID " + stateID);
}
+ // "graphical" operations
+
+ /**
+ * Sets the position of this component and calls componentMovedListeners and redrawListeners.
+ *
+ * @author Daniel Kirschten
+ */
+ public void moveTo(double x, double y)
+ {
+ bounds.x = x;
+ bounds.y = y;
+ callComponentMovedListeners();
+ requestRedraw();
+ }
+
+ /**
+ * Sets the size of this component and calls redrawListeners.
+ *
+ * @author Daniel Kirschten
+ */
protected void setSize(double width, double height)
{
bounds.width = width;
bounds.height = height;
- callRedrawListeners();
+ callComponentResizedListener();
+ requestRedraw();
}
- protected void addPin(Pin pin)
+ /**
+ * Returns the bounds of this component. Is a bit slower than {@link #getPosX()}, {@link #getPosY()}, {@link #getWidth},
+ * {@link #getHeight}, because new objects are created.
+ *
+ * @author Daniel Kirschten
+ */
+ public final Rectangle getBounds()
{
- if (pinsByName.containsKey(pin.name))
- throw new IllegalArgumentException("Duplicate pin name: " + pin.name);
- pinsByName.put(pin.name, pin);
- callPinAddedListeners(pin);
- pin.addRedrawListener(redrawListenerForSubcomponents);
- callRedrawListeners();
+ return new Rectangle(bounds.x, bounds.y, bounds.width, bounds.height);
}
- protected void removePin(String name)
+ /**
+ * Returns the x coordinate of the position of this component. Is a bit faster than {@link #getBounds()} because no objects are created.
+ *
+ * @author Daniel Kirschten
+ */
+ public double getPosX()
{
- Pin pin = pinsByName.remove(name);
- callPinRemovedListeners(pin);
- pin.removeRedrawListener(redrawListenerForSubcomponents);
- callRedrawListeners();
+ return bounds.x;
+ }
+
+ /**
+ * Returns the y coordinate of the position of this component. Is a bit faster than {@link #getBounds()} because no objects are created.
+ *
+ * @author Daniel Kirschten
+ */
+ public double getPosY()
+ {
+ return bounds.y;
}
/**
- * @return an identifier used to reference this GUIComponent inside of {@link SubmodelComponentParams}
+ * Returns the (graphical) width of this component. Is a bit faster than {@link #getBounds()} because no objects are created.
+ *
+ * @author Daniel Kirschten
*/
- public String getIdentifier()
+ public double getWidth()
{
- return identifierDelegate.get();
+ return bounds.width;
}
- @SuppressWarnings("static-method")
- public Map<String, Object> getInstantiationParameters()
+ /**
+ * Returns the height of this component. Is a bit faster than {@link #getBounds()} because no objects are created.
+ *
+ * @author Daniel Kirschten
+ */
+ public double getHeight()
{
- return new TreeMap<>();
+ return bounds.height;
}
+
+ /**
+ * Called when this component is clicked. Absolute coordinates of the click are given. Returns true if this component consumed this
+ * click.
+ *
+ * @author Daniel Kirschten
+ */
+ @SuppressWarnings({ "static-method", "unused" }) // this method is inteded to be overridden
+ public boolean clicked(double x, double y)
+ {
+ return false;
+ }
+
+ /**
+ * Render this component to the given gc, in absoulute coordinates.
+ *
+ * @author Daniel Kirschten
+ */
+ public abstract void render(GeneralGC gc, Rectangle visibleRegion);
+
+ // serializing
+
+ @SuppressWarnings("static-method") // this method is intended to be overridden
+ public JsonElement getParams()
+ {
+ return JsonNull.INSTANCE;
+ }
+
+ // listeners
+
+ /**
+ * Calls redraw listeners.
+ *
+ * @author Daniel Kirschten
+ */
+ protected void requestRedraw()
+ {
+ callRedrawListeners();
+ }
+
+ // @formatter:off
+ public void addComponentMovedListener (Consumer<? super GUIComponent> listener) {componentMovedListeners .add (listener);}
+ public void addComponentResizedListener (Consumer<? super GUIComponent> listener) {componentResizedListeners.add (listener);}
+ public void addPinAddedListener (Consumer<? super Pin > listener) {pinAddedListeners .add (listener);}
+ public void addPinRemovedListener (Consumer<? super Pin > listener) {pinRemovedListeners .add (listener);}
+ public void addRedrawListener (Runnable listener) {redrawListeners .add (listener);}
+
+ public void removeComponentMovedListener (Consumer<? super GUIComponent> listener) {componentMovedListeners .remove(listener);}
+ public void removeComponentResizedListener (Consumer<? super GUIComponent> listener) {componentResizedListeners.remove(listener);}
+ public void removePinAddedListener (Consumer<? super Pin > listener) {pinAddedListeners .remove(listener);}
+ public void removePinRemovedListener (Consumer<? super Pin > listener) {pinRemovedListeners .remove(listener);}
+ public void removeRedrawListener (Runnable listener) {redrawListeners .remove(listener);}
+
+ private void callComponentMovedListeners ( ) {componentMovedListeners .forEach(l -> l.accept(this));}
+ private void callComponentResizedListener( ) {componentResizedListeners.forEach(l -> l.accept(this));}
+ private void callPinAddedListeners (Pin p) {pinAddedListeners .forEach(l -> l.accept(p ));}
+ private void callPinRemovedListeners (Pin p) {pinRemovedListeners .forEach(l -> l.accept(p ));}
+ private void callRedrawListeners ( ) {redrawListeners .forEach(l -> l.run( ));}
+ // @formatter:on
}
\ No newline at end of file