mirror of
https://github.com/bancika/diy-layout-creator
synced 2026-11-10 17:22:09 +10:00
added point by point component creation
This commit is contained in:
+13
-7
@@ -2,6 +2,7 @@ package org.diylc.common;
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import javax.swing.Icon;
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import org.diylc.core.CreationMethod;
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import org.diylc.core.IDIYComponent;
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/**
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@@ -11,27 +12,29 @@ import org.diylc.core.IDIYComponent;
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*
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* @see IDIYComponent
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*/
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@SuppressWarnings("rawtypes")
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public class ComponentType {
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private String name;
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private String description;
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private CreationMethod creationMethod;
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private String category;
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private String namePrefix;
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private String author;
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private Icon icon;
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@SuppressWarnings("unchecked")
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private Class<? extends IDIYComponent> instanceClass;
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private double zOrder;
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private boolean stretchable;
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private boolean sticky;
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@SuppressWarnings("unchecked")
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public ComponentType(String name, String description, String category, String namePrefix,
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String author, Icon icon, Class<? extends IDIYComponent> instanceClass,
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double zOrder, boolean stretchable, boolean sticky) {
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public ComponentType(String name, String description, CreationMethod creationMethod,
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String category, String namePrefix, String author, Icon icon,
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Class<? extends IDIYComponent> instanceClass, double zOrder, boolean stretchable,
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boolean sticky) {
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super();
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this.name = name;
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this.description = description;
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this.creationMethod = creationMethod;
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this.category = category;
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this.namePrefix = namePrefix;
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this.author = author;
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@@ -50,6 +53,10 @@ public class ComponentType {
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return description;
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}
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public CreationMethod getCreationMethod() {
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return creationMethod;
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}
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public String getCategory() {
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return category;
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}
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@@ -66,7 +73,6 @@ public class ComponentType {
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return icon;
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}
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@SuppressWarnings("unchecked")
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public Class<? extends IDIYComponent> getInstanceClass() {
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return instanceClass;
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}
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@@ -78,7 +84,7 @@ public class ComponentType {
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public boolean isStretchable() {
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return stretchable;
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}
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public boolean isSticky() {
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return sticky;
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}
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+10
-7
@@ -31,10 +31,10 @@ public abstract class AbstractLeadedComponent<T> extends AbstractTransparentComp
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private static final long serialVersionUID = 1L;
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public static Color LEAD_COLOR = Color.black;
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public static Color LEAD_COLOR = Color.decode("#65909A");
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public static Color LABEL_COLOR = Color.black;
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public static Color LABEL_COLOR_SELECTED = Color.red;
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public static Size LEAD_THICKNESS = new Size(0.3d, SizeUnit.mm);
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public static Size LEAD_THICKNESS = new Size(0.8d, SizeUnit.mm);
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public static Size DEFAULT_SIZE = new Size(1d, SizeUnit.in);
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protected Size width;
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@@ -91,12 +91,15 @@ public abstract class AbstractLeadedComponent<T> extends AbstractTransparentComp
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|| componentState == ComponentState.DRAGGING ? SELECTION_COLOR : borderColor);
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g2d.draw(shape);
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// Draw leads.
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g2d.setStroke(new BasicStroke(getLeadThickness().convertToPixels()));
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int leadThickness = getLeadThickness().convertToPixels();
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g2d.setStroke(new BasicStroke(leadThickness));
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g2d.setColor(getLeadColor(componentState));
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g2d.drawLine((int) (shapeRect.width - distance) / 2, (int) shapeRect.height / 2,
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(int) ((shapeRect.width - distance) / 2 + leadLenght), (int) shapeRect.height / 2);
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(int) ((shapeRect.width - distance) / 2 + leadLenght) - leadThickness / 2,
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(int) shapeRect.height / 2);
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g2d.drawLine((int) (shapeRect.width + distance) / 2, (int) shapeRect.height / 2,
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(int) ((shapeRect.width + distance) / 2 - leadLenght), (int) shapeRect.height / 2);
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(int) ((shapeRect.width + distance) / 2 - leadLenght) + leadThickness / 2,
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(int) shapeRect.height / 2);
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// Do not track the label because that area was already covered.
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drawingObserver.stopTracking();
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// Draw label.
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@@ -204,12 +207,12 @@ public abstract class AbstractLeadedComponent<T> extends AbstractTransparentComp
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public void setHeight(Size height) {
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this.height = height;
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}
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@EditableProperty
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public Display getDisplay() {
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return display;
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}
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public void setDisplay(Display display) {
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this.display = display;
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}
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+6
@@ -0,0 +1,6 @@
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package org.diylc.core;
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public enum CreationMethod {
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SINGLE_CLICK, POINT_BY_POINT;
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}
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+8
@@ -3,6 +3,7 @@ package org.diylc.core.annotations;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import org.diylc.core.CreationMethod;
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import org.diylc.core.IDIYComponent;
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/**
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@@ -24,6 +25,13 @@ public @interface ComponentDescriptor {
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*/
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String description();
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/**
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* @return method that should be used to create a component. If
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* <code>CreationMethod.POINT_BY_POINT</code> is used, user will
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* have to select ending points before the component is created.
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*/
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CreationMethod creationMethod() default CreationMethod.SINGLE_CLICK;
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/**
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* @return component category, e.g. "Passive", "Semiconductors", etc.
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*/
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+7
-5
@@ -17,6 +17,7 @@ import javax.swing.ImageIcon;
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import org.apache.log4j.Logger;
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import org.diylc.common.ComponentType;
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import org.diylc.common.PropertyWrapper;
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import org.diylc.core.CreationMethod;
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import org.diylc.core.IDIYComponent;
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import org.diylc.core.annotations.ComponentDescriptor;
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import org.diylc.core.annotations.EditableProperty;
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@@ -54,6 +55,7 @@ public class ComponentProcessor {
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public ComponentType createComponentTypeFrom(Class<? extends IDIYComponent<?>> clazz) {
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String name;
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String description;
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CreationMethod creationMethod;
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String category;
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String namePrefix;
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String author;
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@@ -65,6 +67,7 @@ public class ComponentProcessor {
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ComponentDescriptor annotation = clazz.getAnnotation(ComponentDescriptor.class);
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name = annotation.name();
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description = annotation.description();
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creationMethod = annotation.creationMethod();
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category = annotation.category();
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namePrefix = annotation.instanceNamePrefix();
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author = annotation.author();
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@@ -74,6 +77,7 @@ public class ComponentProcessor {
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} else {
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name = clazz.getSimpleName();
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description = "";
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creationMethod = CreationMethod.SINGLE_CLICK;
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category = "Uncategorized";
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namePrefix = "Unknown";
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author = "Unknown";
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@@ -88,9 +92,7 @@ public class ComponentProcessor {
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Image image = new BufferedImage(Presenter.ICON_SIZE, Presenter.ICON_SIZE,
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java.awt.image.BufferedImage.TYPE_INT_ARGB);
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Graphics2D g2d = (Graphics2D) image.getGraphics();
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g2d
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.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
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RenderingHints.VALUE_ANTIALIAS_ON);
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g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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componentInstance.drawIcon(g2d, Presenter.ICON_SIZE, Presenter.ICON_SIZE);
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icon = new ImageIcon(image);
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} catch (InstantiationException e) {
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@@ -98,8 +100,8 @@ public class ComponentProcessor {
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} catch (IllegalAccessException e) {
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e.printStackTrace();
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}
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ComponentType componentType = new ComponentType(name, description, category, namePrefix,
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author, icon, clazz, zOrder, stretchable, sticky);
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ComponentType componentType = new ComponentType(name, description, creationMethod,
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category, namePrefix, author, icon, clazz, zOrder, stretchable, sticky);
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return componentType;
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}
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+100
-48
@@ -14,6 +14,7 @@ import java.io.IOException;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Modifier;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.HashMap;
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@@ -38,6 +39,7 @@ import org.diylc.common.IComponentFiler;
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import org.diylc.common.IPlugIn;
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import org.diylc.common.IPlugInPort;
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import org.diylc.common.PropertyWrapper;
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import org.diylc.core.CreationMethod;
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import org.diylc.core.IDIYComponent;
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import org.diylc.core.Project;
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import org.diylc.core.measures.SizeUnit;
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@@ -103,7 +105,10 @@ public class Presenter implements IPlugInPort {
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private Point previousDragPoint = null;
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private Project preDragProject = null;
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// Component creation
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private ComponentType componentSlot;
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private Point controlPointSlot;
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private Point potentialControlPoint;
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private boolean snapToGrid = true;
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@@ -307,8 +312,9 @@ public class Presenter implements IPlugInPort {
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drawControlPoints.add(component);
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}
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}
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projectPainter.draw(g2d, currentProject, drawOptions, filter, selectionRect,
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selectedComponents, drawControlPoints, dragInProgress, zoomLevel);
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projectPainter.drawProject(g2d, currentProject, drawOptions, filter, selectionRect,
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selectedComponents, drawControlPoints, Arrays.asList(controlPointSlot,
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potentialControlPoint), dragInProgress, zoomLevel);
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}
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@Override
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@@ -347,13 +353,34 @@ public class Presenter implements IPlugInPort {
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.format("mouseClicked(%s, %s, %s, %s)", point, ctrlDown, shiftDown, altDown));
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Point scaledPoint = scalePoint(point);
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if (componentSlot != null) {
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try {
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instantiateComponent(componentSlot, scaledPoint);
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} catch (Exception e) {
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LOG.error("Error instatiating component of type: "
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+ componentSlot.getInstanceClass().getName(), e);
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switch (componentSlot.getCreationMethod()) {
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case SINGLE_CLICK:
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try {
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instantiateComponent(componentSlot, scaledPoint);
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} catch (Exception e) {
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LOG.error("Error instatiating component of type: "
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+ componentSlot.getInstanceClass().getName(), e);
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}
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setNewComponentSlot(null);
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break;
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case POINT_BY_POINT:
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if (controlPointSlot != null) {
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try {
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instantiateComponent(componentSlot, controlPointSlot, scaledPoint);
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} catch (Exception e) {
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LOG.error("Error instatiating component of type: "
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+ componentSlot.getInstanceClass().getName(), e);
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}
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setNewComponentSlot(null);
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} else {
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controlPointSlot = scaledPoint;
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snapPointToGrid(controlPointSlot);
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messageDispatcher.dispatchMessage(EventType.REPAINT);
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}
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break;
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default:
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LOG.error("Unknown creation method: " + componentSlot.getCreationMethod());
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}
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setNewComponentSlot(null);
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} else {
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List<IDIYComponent<?>> components = findComponentsAt(scaledPoint);
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// If there's nothing under mouse cursor deselect all.
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@@ -388,38 +415,46 @@ public class Presenter implements IPlugInPort {
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public void mouseMoved(Point point, boolean ctrlDown, boolean shiftDown, boolean altDown) {
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Map<IDIYComponent<?>, Set<Integer>> components = new HashMap<IDIYComponent<?>, Set<Integer>>();
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Point scaledPoint = scalePoint(point);
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// Go backwards so we take the highest z-order components first.
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for (int i = currentProject.getComponents().size() - 1; i >= 0; i--) {
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IDIYComponent<?> component = currentProject.getComponents().get(i);
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ComponentType componentType = componentTypeMap.get(component.getClass().getName());
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for (int pointIndex = 0; pointIndex < component.getControlPointCount(); pointIndex++) {
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Point controlPoint = component.getControlPoint(pointIndex);
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// Only consider selected components that are not grouped.
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if (selectedComponents.contains(component) && componentType.isStretchable()
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&& findAllGroupedComponents(component).size() == 1) {
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try {
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if (scaledPoint.distance(controlPoint) < ProjectPainter.CONTROL_POINT_SIZE) {
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Set<Integer> indices = new HashSet<Integer>();
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if (componentType.isStretchable()) {
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indices.add(pointIndex);
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} else {
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for (int j = 0; j < component.getControlPointCount(); j++) {
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indices.add(j);
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if (componentSlot != null
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&& componentSlot.getCreationMethod() == CreationMethod.POINT_BY_POINT) {
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potentialControlPoint = scaledPoint;
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snapPointToGrid(potentialControlPoint);
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messageDispatcher.dispatchMessage(EventType.REPAINT);
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} else {
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// Go backwards so we take the highest z-order components first.
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for (int i = currentProject.getComponents().size() - 1; i >= 0; i--) {
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IDIYComponent<?> component = currentProject.getComponents().get(i);
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ComponentType componentType = componentTypeMap.get(component.getClass().getName());
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for (int pointIndex = 0; pointIndex < component.getControlPointCount(); pointIndex++) {
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Point controlPoint = component.getControlPoint(pointIndex);
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// Only consider selected components that are not grouped.
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if (selectedComponents.contains(component) && componentType.isStretchable()
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&& findAllGroupedComponents(component).size() == 1) {
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try {
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if (scaledPoint.distance(controlPoint) < ProjectPainter.CONTROL_POINT_SIZE) {
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Set<Integer> indices = new HashSet<Integer>();
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if (componentType.isStretchable()) {
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indices.add(pointIndex);
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} else {
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for (int j = 0; j < component.getControlPointCount(); j++) {
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indices.add(j);
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}
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}
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components.put(component, indices);
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break;
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}
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components.put(component, indices);
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break;
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} catch (Exception e) {
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LOG.warn("Error reading control point for component of type: "
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+ component.getClass().getName());
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}
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} catch (Exception e) {
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LOG.warn("Error reading control point for component of type: "
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+ component.getClass().getName());
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}
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}
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// // If CTRL is pressed, we only care about the top most
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// component.
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// if (altDown && components.size() > 0) {
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// break;
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// }
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}
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// // If CTRL is pressed, we only care about the top most component.
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// if (altDown && components.size() > 0) {
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// break;
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// }
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}
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messageDispatcher.dispatchMessage(EventType.MOUSE_MOVED, scaledPoint);
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@@ -637,6 +672,16 @@ public class Presenter implements IPlugInPort {
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return (Math.round(1f * x / grid) * grid);
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}
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private void snapPointToGrid(Point point) {
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int x = point.x;
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int y = point.y;
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if (snapToGrid) {
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x = roundToGrid(x);
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y = roundToGrid(y);
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}
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point.setLocation(x, y);
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}
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@Override
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public void dragEnded(Point point) {
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LOG.debug(String.format("dragEnded(%s)", point));
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@@ -719,7 +764,6 @@ public class Presenter implements IPlugInPort {
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messageDispatcher.dispatchMessage(EventType.REPAINT);
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}
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@SuppressWarnings("unchecked")
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@Override
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public void setSelectionDefaultPropertyValue(String propertyName, Object value) {
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LOG.info(String.format("setSelectionDefaultPropertyValue(%s, %s)", propertyName, value));
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@@ -887,8 +931,8 @@ public class Presenter implements IPlugInPort {
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}
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}
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@SuppressWarnings("unchecked")
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private void instantiateComponent(ComponentType componentType, Point point) throws Exception {
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private void instantiateComponent(ComponentType componentType, Point... points)
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throws Exception {
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LOG.info("Instatiating component of type: " + componentType.getInstanceClass().getName());
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Project oldProject = cloner.deepClone(currentProject);
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@@ -919,17 +963,23 @@ public class Presenter implements IPlugInPort {
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selectedComponents.add(component);
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// Translate them to the desired location.
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if (point != null) {
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for (int j = 0; j < component.getControlPointCount(); j++) {
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Point controlPoint = new Point(component.getControlPoint(j));
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int x = controlPoint.x + point.x;
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int y = controlPoint.y + point.y;
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if (snapToGrid) {
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x = roundToGrid(x);
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y = roundToGrid(y);
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if (points != null) {
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switch (componentType.getCreationMethod()) {
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case SINGLE_CLICK:
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for (int j = 0; j < component.getControlPointCount(); j++) {
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Point controlPoint = new Point(component.getControlPoint(j));
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controlPoint.translate(points[0].x, points[0].y);
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snapPointToGrid(controlPoint);
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component.setControlPoint(controlPoint, j);
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}
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controlPoint.setLocation(x, y);
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component.setControlPoint(controlPoint, j);
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break;
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case POINT_BY_POINT:
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for (int j = 0; j < points.length; j++) {
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Point point = points[j];
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snapPointToGrid(point);
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component.setControlPoint(point, j);
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}
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break;
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}
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}
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@@ -1064,6 +1114,8 @@ public class Presenter implements IPlugInPort {
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LOG.info(String.format("setNewComponentSlot(%s)", componentType == null ? null
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: componentType.getName()));
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this.componentSlot = componentType;
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this.controlPointSlot = null;
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this.potentialControlPoint = null;
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selectedComponents.clear();
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fireSelectionChanged();
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// messageDispatcher.dispatchMessage(EventType.SELECTION_CHANGED,
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@@ -1098,6 +1150,6 @@ public class Presenter implements IPlugInPort {
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if (findAllGroupedComponents(component).size() > 1) {
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return false;
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}
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return selectedComponents.contains(component);
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return true;
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}
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}
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+56
-51
@@ -16,7 +16,6 @@ import java.util.List;
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import java.util.Map;
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import java.util.Set;
|
||||
|
||||
import org.apache.log4j.Logger;
|
||||
import org.diylc.common.ComponentSelection;
|
||||
import org.diylc.common.DrawOption;
|
||||
import org.diylc.common.IComponentFiler;
|
||||
@@ -33,9 +32,7 @@ import org.diylc.utils.Constants;
|
||||
*/
|
||||
public class ProjectPainter {
|
||||
|
||||
private static final Logger LOG = Logger.getLogger(ProjectPainter.class);
|
||||
|
||||
public static final int CONTROL_POINT_SIZE = 5;
|
||||
public static final int CONTROL_POINT_SIZE = 7;
|
||||
public static boolean ENABLE_ANTIALIASING = true;
|
||||
public static boolean DEBUG_COMPONENT_AREAS = false;
|
||||
|
||||
@@ -51,9 +48,10 @@ public class ProjectPainter {
|
||||
lastDrawnStateMap = new HashMap<IDIYComponent<?>, ComponentState>();
|
||||
}
|
||||
|
||||
public void draw(Graphics2D g2d, Project project, Set<DrawOption> drawOptions,
|
||||
public void drawProject(Graphics2D g2d, Project project, Set<DrawOption> drawOptions,
|
||||
IComponentFiler filter, Rectangle selectionRect, ComponentSelection selectedComponents,
|
||||
Set<IDIYComponent<?>> drawControlPoints, boolean dragInProgress, double zoomLevel) {
|
||||
Set<IDIYComponent<?>> drawControlPoints, List<Point> controlPointSlot,
|
||||
boolean dragInProgress, double zoomLevel) {
|
||||
if (project == null) {
|
||||
return;
|
||||
}
|
||||
@@ -93,57 +91,64 @@ public class ProjectPainter {
|
||||
|
||||
// g2dWrapper.resetTx();
|
||||
|
||||
List<IDIYComponent<?>> components = project.getComponents();
|
||||
// componentAreaMap.clear();
|
||||
if (components != null) {
|
||||
for (IDIYComponent<?> component : components) {
|
||||
// Do not draw the component if it's filtered out.
|
||||
if (filter != null && !filter.testComponent(component)) {
|
||||
continue;
|
||||
}
|
||||
ComponentState state = ComponentState.NORMAL;
|
||||
if (drawOptions.contains(DrawOption.SELECTION)
|
||||
&& selectedComponents.contains(component)) {
|
||||
if (dragInProgress) {
|
||||
state = ComponentState.DRAGGING;
|
||||
} else {
|
||||
state = ComponentState.SELECTED;
|
||||
}
|
||||
}
|
||||
// Do not track the area if component is not invalidated and was
|
||||
// drawn in the same state.
|
||||
boolean trackArea = lastDrawnStateMap.get(component) != state;
|
||||
g2dWrapper.startedDrawingComponent();
|
||||
if (!trackArea) {
|
||||
g2dWrapper.stopTracking();
|
||||
}
|
||||
// Draw the component through the g2dWrapper.
|
||||
component.draw(g2dWrapper, state, project, g2dWrapper);
|
||||
Area area = g2dWrapper.finishedDrawingComponent();
|
||||
if (trackArea) {
|
||||
componentAreaMap.put(component, area);
|
||||
lastDrawnStateMap.put(component, state);
|
||||
for (IDIYComponent<?> component : project.getComponents()) {
|
||||
// Do not draw the component if it's filtered out.
|
||||
if (filter != null && !filter.testComponent(component)) {
|
||||
continue;
|
||||
}
|
||||
ComponentState state = ComponentState.NORMAL;
|
||||
if (drawOptions.contains(DrawOption.SELECTION)
|
||||
&& selectedComponents.contains(component)) {
|
||||
if (dragInProgress) {
|
||||
state = ComponentState.DRAGGING;
|
||||
} else {
|
||||
state = ComponentState.SELECTED;
|
||||
}
|
||||
}
|
||||
// Draw control points.
|
||||
for (IDIYComponent<?> component : components) {
|
||||
if (drawOptions.contains(DrawOption.CONTROL_POINTS)) {
|
||||
// Do not track the area if component is not invalidated and was
|
||||
// drawn in the same state.
|
||||
boolean trackArea = lastDrawnStateMap.get(component) != state;
|
||||
g2dWrapper.startedDrawingComponent();
|
||||
if (!trackArea) {
|
||||
g2dWrapper.stopTracking();
|
||||
}
|
||||
// Draw the component through the g2dWrapper.
|
||||
component.draw(g2dWrapper, state, project, g2dWrapper);
|
||||
Area area = g2dWrapper.finishedDrawingComponent();
|
||||
if (trackArea) {
|
||||
componentAreaMap.put(component, area);
|
||||
lastDrawnStateMap.put(component, state);
|
||||
}
|
||||
}
|
||||
|
||||
// Draw control points of the component in the slot.
|
||||
if (controlPointSlot != null) {
|
||||
for (Point point : controlPointSlot) {
|
||||
if (point != null) {
|
||||
g2dWrapper.setColor(Constants.SELECTED_CONTROL_POINT_COLOR);
|
||||
g2dWrapper.fillOval(point.x - CONTROL_POINT_SIZE / 2, point.y
|
||||
- CONTROL_POINT_SIZE / 2, CONTROL_POINT_SIZE, CONTROL_POINT_SIZE);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
g2dWrapper.setColor(Constants.CONTROL_POINT_COLOR);
|
||||
// Draw control points.
|
||||
for (IDIYComponent<?> component : project.getComponents()) {
|
||||
if (drawOptions.contains(DrawOption.CONTROL_POINTS)) {
|
||||
if (drawControlPoints.contains(component)) {
|
||||
boolean isSelected = selectedComponents.contains(component);
|
||||
g2dWrapper.setColor(isSelected ? Constants.SELECTED_CONTROL_POINT_COLOR
|
||||
: Constants.CONTROL_POINT_COLOR);
|
||||
for (int i = 0; i < component.getControlPointCount(); i++) {
|
||||
Point controlPoint = component.getControlPoint(i);
|
||||
try {
|
||||
if (drawControlPoints.contains(component)) {
|
||||
g2dWrapper.setColor(Constants.CONTROL_POINT_COLOR);
|
||||
g2dWrapper.setStroke(new BasicStroke(2));
|
||||
// g2d.drawOval(controlPoint.x - 2,
|
||||
// controlPoint.y - 2, 4, 4);
|
||||
g2dWrapper.fillOval(controlPoint.x - CONTROL_POINT_SIZE / 2,
|
||||
controlPoint.y - CONTROL_POINT_SIZE / 2,
|
||||
CONTROL_POINT_SIZE, CONTROL_POINT_SIZE);
|
||||
}
|
||||
} catch (Exception e) {
|
||||
LOG.error("Could not obtain control points for component of type "
|
||||
+ component.getClass().getName());
|
||||
int pointSize = CONTROL_POINT_SIZE;
|
||||
if (!isSelected) {
|
||||
pointSize -= 2;
|
||||
}
|
||||
g2dWrapper.fillOval(controlPoint.x - pointSize / 2, controlPoint.y
|
||||
- pointSize / 2, pointSize, pointSize);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
+4
-2
@@ -7,14 +7,16 @@ import java.awt.Stroke;
|
||||
|
||||
public class Constants {
|
||||
|
||||
public static final int PIXELS_PER_INCH = 100;//Toolkit.getDefaultToolkit().getScreenResolution();
|
||||
public static final int PIXELS_PER_INCH = 120;//Toolkit.getDefaultToolkit().getScreenResolution();
|
||||
public static int GRIDS_PER_INCH = 8;
|
||||
// public static Size GRID_SIZE = new Size(1d / GRIDS_PER_INCH, SizeUnit.in);
|
||||
// public static final int GRID = 20;
|
||||
|
||||
public static Color CANVAS_COLOR = Color.white;
|
||||
public static Color GRID_COLOR = new Color(240, 240, 240);
|
||||
public static Color CONTROL_POINT_COLOR = Color.blue;
|
||||
public static Color CONTROL_POINT_COLOR = Color.black;
|
||||
public static Color SELECTED_CONTROL_POINT_COLOR = Color.blue;
|
||||
public static Color CREATION_POINT_COLOR = Color.decode("#32CD32");
|
||||
|
||||
public static Font LABEL_FONT = new Font("Tahoma", Font.BOLD, 11);
|
||||
|
||||
|
||||
Reference in New Issue
Block a user