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ItEr57S15RecalculosConexionEscenarios: Defer dates property events until all the dependencies are enforced.

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This commit is contained in:
Óscar González Fernández 2010-05-12 16:00:55 +02:00
parent 8f1bf42ab6
commit b7ed95b455
3 changed files with 785 additions and 260 deletions
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946
ganttzk/src/main/java/org/zkoss/ganttz/data/GanttDiagramGraph.java
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File diff suppressed because it is too large Load diff

84
ganttzk/src/main/java/org/zkoss/ganttz/data/Task.java
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@ -30,6 +30,9 @@ import java.util.List;
import org.apache.commons.lang.ObjectUtils;
import org.apache.commons.lang.Validate;
import org.zkoss.ganttz.data.GanttDiagramGraph.IDependenciesEnforcerHook;
import org.zkoss.ganttz.data.GanttDiagramGraph.IDependenciesEnforcerHookFactory;
import org.zkoss.ganttz.data.GanttDiagramGraph.INotificationAfterDependenciesEnforcement;
import org.zkoss.ganttz.data.constraint.Constraint;
import org.zkoss.ganttz.data.constraint.DateConstraint;
import org.zkoss.ganttz.data.constraint.Constraint.IConstraintViolationListener;
@ -66,6 +69,46 @@ public abstract class Task implements ITaskFundamentalProperties {
private ConstraintViolationNotificator<Date> violationNotificator = ConstraintViolationNotificator
.create();
private IDependenciesEnforcerHook dependenciesEnforcerHook = doNothingHook();
private final INotificationAfterDependenciesEnforcement notifyDates = new INotificationAfterDependenciesEnforcement() {
@Override
public void onStartDateChange(Date previousStart, long oldLength,
Date newStart) {
fundamentalPropertiesListeners.firePropertyChange("beginDate",
previousStart, fundamentalProperties.getBeginDate());
fireLengthMilliseconds(oldLength);
reloadResourcesTextIfChange(newStart, previousStart);
}
@Override
public void onLengthChange(long previousLength, long newLength) {
fireLengthMilliseconds(previousLength);
}
private void fireLengthMilliseconds(long previousValue) {
fundamentalPropertiesListeners.firePropertyChange(
"lengthMilliseconds", previousValue, fundamentalProperties
.getLengthMilliseconds());
}
};
private IDependenciesEnforcerHook doNothingHook() {
return new IDependenciesEnforcerHook() {
@Override
public void setLengthMilliseconds(long previousLengthMilliseconds,
long lengthMilliseconds) {
}
@Override
public void setStartDate(Date previousStart, long previousLength,
Date newStart) {
}
};
};
public Task(ITaskFundamentalProperties fundamentalProperties) {
this.fundamentalProperties = fundamentalProperties;
}
@ -140,14 +183,19 @@ public abstract class Task implements ITaskFundamentalProperties {
previousValue, name);
}
public long setBeginDate(Date beginDate) {
public void registerDependenciesEnforcerHook(
IDependenciesEnforcerHookFactory factory) {
Validate.notNull(factory);
dependenciesEnforcerHook = factory.create(this, notifyDates);
Validate.notNull(dependenciesEnforcerHook);
}
public long setBeginDate(Date newStart) {
Date previousValue = fundamentalProperties.getBeginDate();
long oldLength = fundamentalProperties.getLengthMilliseconds();
fundamentalProperties.setBeginDate(beginDate);
fundamentalPropertiesListeners.firePropertyChange("beginDate",
previousValue, fundamentalProperties.getBeginDate());
fireLengthMilliseconds(oldLength);
reloadResourcesTextIfChange(beginDate, previousValue);
long previousLength = fundamentalProperties.getLengthMilliseconds();
fundamentalProperties.setBeginDate(newStart);
dependenciesEnforcerHook.setStartDate(previousValue, previousLength,
newStart);
return fundamentalProperties.getLengthMilliseconds();
}
@ -159,9 +207,10 @@ public abstract class Task implements ITaskFundamentalProperties {
public void fireChangesForPreviousValues(Date previousStart,
long previousLength) {
fundamentalPropertiesListeners.firePropertyChange("beginDate",
previousStart, fundamentalProperties.getBeginDate());
fireLengthMilliseconds(previousLength);
dependenciesEnforcerHook.setStartDate(previousStart, previousLength,
fundamentalProperties.getBeginDate());
dependenciesEnforcerHook.setLengthMilliseconds(previousLength,
fundamentalProperties.getLengthMilliseconds());
}
public Date getBeginDate() {
@ -171,12 +220,8 @@ public abstract class Task implements ITaskFundamentalProperties {
public void setLengthMilliseconds(long lengthMilliseconds) {
long previousValue = fundamentalProperties.getLengthMilliseconds();
fundamentalProperties.setLengthMilliseconds(lengthMilliseconds);
fireLengthMilliseconds(previousValue);
}
private void fireLengthMilliseconds(long previousValue) {
fundamentalPropertiesListeners.firePropertyChange("lengthMilliseconds",
previousValue, fundamentalProperties.getLengthMilliseconds());
dependenciesEnforcerHook.setLengthMilliseconds(previousValue,
lengthMilliseconds);
}
public long getLengthMilliseconds() {
@ -208,6 +253,9 @@ public abstract class Task implements ITaskFundamentalProperties {
}
public Constraint<Date> getCurrentLengthConstraint() {
if (isContainer()) {
return Constraint.emptyConstraint();
}
return violationNotificator.withListener(DateConstraint
.biggerOrEqualThan(getEndDate()));
}
@ -275,9 +323,7 @@ public abstract class Task implements ITaskFundamentalProperties {
Date previousStart = getBeginDate();
long previousLength = getLengthMilliseconds();
fundamentalProperties.moveTo(date);
fireChangesForPreviousValues(previousStart, previousLength);
reloadResourcesTextIfChange(date, previousStart);
reloadResourcesText();
dependenciesEnforcerHook.setStartDate(previousStart, previousLength, date);
}
@Override

15
ganttzk/src/main/java/org/zkoss/ganttz/data/constraint/Constraint.java
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@ -33,6 +33,21 @@ import org.zkoss.ganttz.util.WeakReferencedListeners.IListenerNotification;
*/
public abstract class Constraint<T> {
public static <T> Constraint<T> emptyConstraint() {
return new Constraint<T>() {
@Override
protected T applyConstraintTo(T currentValue) {
return currentValue;
}
@Override
public boolean isSatisfiedBy(T value) {
return true;
}
};
}
public interface IConstraintViolationListener<T> {
public void constraintViolated(Constraint<T> constraint, T value);
}