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/*
* This code is provided under the terms of GPL version 3.
* Please see LICENSE file for details
* (C) Dmitry Barashev, GanttProject team, 2004-2008
*/
package net.sourceforge.ganttproject.chart;
import java.awt.Font;
import java.util.ArrayList;
import java.util.List;
// import net.sourceforge.ganttproject.CustomPropertyListener;
import net.sourceforge.ganttproject.Mediator;
import net.sourceforge.ganttproject.chart.GraphicPrimitiveContainer.HAlignment;
import net.sourceforge.ganttproject.chart.GraphicPrimitiveContainer.Rectangle;
import net.sourceforge.ganttproject.chart.GraphicPrimitiveContainer.Text;
import net.sourceforge.ganttproject.chart.GraphicPrimitiveContainer.VAlignment;
import net.sourceforge.ganttproject.gui.options.model.DefaultEnumerationOption;
import net.sourceforge.ganttproject.gui.options.model.EnumerationOption;
import net.sourceforge.ganttproject.gui.options.model.GPOptionGroup;
import net.sourceforge.ganttproject.language.GanttLanguage;
// import net.sourceforge.ganttproject.task.CustomPropertyEvent;
import net.sourceforge.ganttproject.task.CustomPropertyEvent;
import net.sourceforge.ganttproject.task.Task;
import net.sourceforge.ganttproject.task.TaskActivity;
import net.sourceforge.ganttproject.task.TaskProperties;
/**
* This class is responsible for rendering text labels on the sides of task bars
* It keeps the rendering options and it lays out the labels on rendering time
*/
class TaskLabelsRendererImpl /*implements CustomPropertyListener*/ {
public static final int UP = 0;
public static final int DOWN = 1;
public static final int LEFT = 2;
public static final int RIGHT = 3;
private EnumerationOption[] myLabelOptions;
private GraphicPrimitiveContainer myPrimitiveContainer;
private ChartOptionGroup myOptionGroup;
private static List<String> ourInfoList;
private TaskProperties myLabelFormatter;
private Font myFont;
static {
ourInfoList = new ArrayList<String>();
ourInfoList.add("");
ourInfoList.add("id");
ourInfoList.add("taskDates");
ourInfoList.add("name");
ourInfoList.add("length");
ourInfoList.add("advancement");
ourInfoList.add("coordinator");
ourInfoList.add("resources");
ourInfoList.add("predecessors");
}
TaskLabelsRendererImpl(ChartModelImpl model, GraphicPrimitiveContainer primitiveContainer) {
myPrimitiveContainer = primitiveContainer;
myLabelFormatter = new TaskProperties(model.getTimeUnitStack());
DefaultEnumerationOption deo0 = new DefaultEnumerationOption("taskLabelUp",
ourInfoList);
DefaultEnumerationOption deo1 = new DefaultEnumerationOption("taskLabelDown",
ourInfoList);
DefaultEnumerationOption deo2 = new DefaultEnumerationOption("taskLabelLeft",
ourInfoList);
DefaultEnumerationOption deo3 = new DefaultEnumerationOption("taskLabelRight",
ourInfoList);
Mediator.addChangeValueDispatcher(deo0);
Mediator.addChangeValueDispatcher(deo1);
Mediator.addChangeValueDispatcher(deo2);
Mediator.addChangeValueDispatcher(deo3);
myLabelOptions = new EnumerationOption[] { deo0, deo1, deo2, deo3 };
myOptionGroup = new ChartOptionGroup("ganttChartDetails",
myLabelOptions, model.getOptionEventDispatcher());
//model.getTaskManager().getCustomColumnStorage().addCustomColumnsListener(this);
myFont = model.getChartUIConfiguration().getChartFont();
}
private void addOption(String name) {
ourInfoList.add(name);
}
private void removeOption(String name) {
ourInfoList.remove(name);
}
GPOptionGroup getOptionGroup() {
return myOptionGroup;
}
void createRightSideText(Rectangle rectangle) {
TaskActivity activity = (TaskActivity) rectangle.getModelObject();
String text = "";
int xText, yText;
text = getTaskLabel(activity.getTask(), RIGHT);
if (text.length()!=0) {
xText = rectangle.getRightX() + 9;
yText = rectangle.getMiddleY();
Text textPrimitive = processText(xText, yText, text);
textPrimitive.setAlignment(HAlignment.LEFT, VAlignment.CENTER);
}
}
void createDownSideText(Rectangle rectangle) {
TaskActivity activity = (TaskActivity) rectangle.getModelObject();
String text = getTaskLabel(activity.getTask(), DOWN);
if (text.length() > 0) {
int xOrigin = rectangle.getRightX();
int yOrigin = rectangle.getBottomY() + 2;
Text textPrimitive = processText(xOrigin, yOrigin, text);
textPrimitive.setAlignment(HAlignment.RIGHT, VAlignment.TOP);
}
}
void createUpSideText(Rectangle rectangle) {
TaskActivity activity = (TaskActivity) rectangle.getModelObject();
String text = getTaskLabel(activity.getTask(), UP);
if (text.length() > 0) {
int xOrigin = rectangle.getRightX();
int yOrigin = rectangle.myTopY - 3;
Text textPrimitive = processText(xOrigin, yOrigin, text);
textPrimitive.setAlignment(HAlignment.RIGHT, VAlignment.BOTTOM);
}
}
void createLeftSideText(Rectangle rectangle) {
TaskActivity activity = (TaskActivity) rectangle.getModelObject();
String text = getTaskLabel(activity.getTask(), LEFT);
if (text.length() > 0) {
int xOrigin = rectangle.myLeftX - 9;
int yOrigin = rectangle.getMiddleY();
Text textPrimitive = processText(xOrigin, yOrigin, text);
textPrimitive.setAlignment(HAlignment.RIGHT, VAlignment.CENTER);
}
}
private Text processText(int xorigin, int yorigin, String text) {
Text res = getPrimitiveContainer().getLayer(1).createText(xorigin,
yorigin, text);
res.setStyle("text.ganttinfo");
return res;
}
private String getTaskLabel(Task task, int position) {
StringBuffer result = new StringBuffer();
Object property = myLabelFormatter.getProperty(task, myLabelOptions[position].getValue());
if (property != null) {
if (property instanceof Boolean)
if (((Boolean) property).booleanValue())
result.append(getLanguage().getText("yes"));
else
result.append(getLanguage().getText("no"));
else
result.append(property);
}
return result.toString();
}
public void customPropertyChange(CustomPropertyEvent event) {
int type = event.getType();
if (type == CustomPropertyEvent.EVENT_ADD) {
addOption(event.getColName());
} else if (type == CustomPropertyEvent.EVENT_REMOVE) {
removeOption((event.getColName()));
}
}
private GraphicPrimitiveContainer getPrimitiveContainer() {
return myPrimitiveContainer;
}
private GanttLanguage getLanguage() {
return GanttLanguage.getInstance();
}
public boolean isTextUp() {
return myLabelOptions[UP].getValue() != null
&& myLabelOptions[UP].getValue().length() != 0;
}
public boolean isTextDown() {
return myLabelOptions[DOWN].getValue() != null
&& myLabelOptions[DOWN].getValue().length() != 0;
}
boolean isOnlyUp() {
return isTextUp() && !isTextDown();
}
boolean isOnlyDown() {
return isTextDown() && !isTextUp();
}
static final int TINY_SPACE = 1;
static final int MEDIUM_SPACE = 2;
static final int LARGE_SPACE = 4;
int calculateRowHeight() {
boolean textUP = isTextUp();
boolean textDOWN = isTextDown();
int result;
if (textUP && textDOWN) {
result = getFontHeight()*3 + 4*TINY_SPACE;
} else if (textUP || textDOWN) {
result = getFontHeight()*2 + 3*MEDIUM_SPACE;
} else {
result = getFontHeight() + 2*LARGE_SPACE;
}
return result;
}
public void stripVerticalLabelSpace(java.awt.Rectangle nextBounds) {
if (isTextUp()) {
nextBounds.y += getFontHeight();
}
int space;
if (isTextUp() && isTextDown()) {
space = TINY_SPACE*2;
} else if (!isTextUp() && !isTextDown()){
space = LARGE_SPACE;
} else if (isTextUp()) {
space = MEDIUM_SPACE*2;
} else {
space = MEDIUM_SPACE;
}
nextBounds.y += space;
// int topy = nextBounds.y;
// topy = topy + (getRowHeight() - 20) / 2;
// if (myLabelsRenderer.isOnlyDown())
// topy = topy - 6;
// else if (myLabelsRenderer.isOnlyUp())
// topy = topy + 6;
// if (myModel.isPrevious())
// topy = topy - 5;
}
int getFontHeight() {
return myFont.getSize();
}
}
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