Examples of com.cburch.logisim.comp.ComponentFactory

com.cburch.logisim.comp.ComponentFactory
Represents a category of components that appear in a circuit. This class and Component share the same sort of relationship as the relation between classes and instances in Java. Normally, there is only one ComponentFactory created for any particular category.

    boolean changed = false;
    for (Map.Entry<Integer,Tool> entry : map.entrySet()) {
      Integer key = entry.getKey();
      Tool tool = entry.getValue();
      if (tool instanceof AddTool) {
        ComponentFactory factory = ((AddTool) tool).getFactory();
        if (toolMap.containsKey(factory)) {
          changed = true;
          Tool newTool = toolMap.get(factory);
          if (newTool == null) {
            map.remove(key);

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  public ComponentFactory getFactory(boolean forceLoad) {
    return forceLoad ? getFactory() : factory;
  }


  public ComponentFactory getFactory() {
    ComponentFactory ret = factory;
    if (ret != null || sourceLoadAttempted) {
      return ret;
    } else {
      ret = description.getFactory(descriptionBase);
      if (ret != null) {
        AttributeSet base = getBaseAttributes();
        Boolean value = (Boolean) ret.getFeature(ComponentFactory.SHOULD_SNAP, base);
        shouldSnap = value == null ? true : value.booleanValue();
      }
      factory = ret;
      sourceLoadAttempted = true;
      return ret;

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    String ret;
    FactoryDescription desc = description;
    if (desc != null) {
      ret = desc.getToolTip();
    } else {
      ComponentFactory source = getFactory();
      if (source != null) {
        ret = (String) source.getFeature(ComponentFactory.TOOL_TIP,
            getAttributeSet());
      } else {
        ret = null;
      }
    }

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    // next "if" suggested roughly by Kevin Walsh of Cornell to take care of
    // repaint problems on OpenJDK under Ubuntu
    int x = lastX;
    int y = lastY;
    if (x == INVALID_COORD || y == INVALID_COORD) return;
    ComponentFactory source = getFactory();
    if (source == null) return;
    if (state == SHOW_GHOST) {
      source.drawGhost(context, Color.GRAY, x, y, getBaseAttributes());
    } else if (state == SHOW_ADD) {
      source.drawGhost(context, Color.BLACK, x, y, getBaseAttributes());
    }
  }

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      if (shouldSnap) Canvas.snapToGrid(e);
      moveTo(canvas, g, e.getX(), e.getY());


      Location loc = Location.create(e.getX(), e.getY());
      AttributeSet attrsCopy = (AttributeSet) attrs.clone();
      ComponentFactory source = getFactory();
      if (source == null) return;
      Component c = source.createComponent(loc, attrsCopy);
      
      if (circ.hasConflict(c)) {
        canvas.setErrorMessage(Strings.getter("exclusiveError"));
        return;
      }

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  }
  
  private void processKeyEvent(Canvas canvas, KeyEvent event, int type) {
    KeyConfigurator handler = keyHandler;
    if (!keyHandlerTried) {
      ComponentFactory source = getFactory();
      AttributeSet baseAttrs = getBaseAttributes();
      handler = (KeyConfigurator) source.getFeature(KeyConfigurator.class, baseAttrs);
      keyHandler = handler;
      keyHandlerTried = true;
    }


    if (handler != null) {

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      }
    }
  }
  
  private void setFacing(Canvas canvas, Direction facing) {
    ComponentFactory source = getFactory();
    if (source == null) return;
    AttributeSet base = getBaseAttributes();
    Object feature = source.getFeature(ComponentFactory.FACING_ATTRIBUTE_KEY, base);
    @SuppressWarnings("unchecked")
    Attribute<Direction> attr = (Attribute<Direction>) feature;
    if (attr != null) {
      Action act = ToolAttributeAction.create(this, attr, facing);
      canvas.getProject().doAction(act);

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        icon.paintIcon(c.getDestination(), c.getGraphics(), x + 2, y + 2);
        return;
      }
    }
    
    ComponentFactory source = getFactory();
    if (source != null) {
      AttributeSet base = getBaseAttributes();
      source.paintIcon(c, x, y, base);
    }
  }

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  }


  private Bounds getBounds() {
    Bounds ret = bounds;
    if (ret == null) {
      ComponentFactory source = getFactory();
      if (source == null) {
        ret = Bounds.EMPTY_BOUNDS;
      } else {
        AttributeSet base = getBaseAttributes();
        ret = source.getOffsetBounds(base).expand(5);
      }
      bounds = ret;
    }
    return ret;
  }

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    toolMap = new HashMap<Tool,Tool>();
    for (Tool oldTool : old.getTools()) {
      Tool newTool = base.getTool(oldTool.getName());
      toolMap.put(oldTool, newTool);
      if (oldTool instanceof AddTool) {
        ComponentFactory oldFactory = ((AddTool) oldTool).getFactory();
        if (newTool != null && newTool instanceof AddTool) {
          ComponentFactory newFactory = ((AddTool) newTool).getFactory();
          componentMap.put(oldFactory, newFactory);
        } else {
          componentMap.put(oldFactory, null);
        }
      }

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