Java 模型嵌套字段更改时更新jface表
我有小型作业和作业管理器域类:Java 模型嵌套字段更改时更新jface表,java,eclipse,data-binding,jface,observable,Java,Eclipse,Data Binding,Jface,Observable,我有小型作业和作业管理器域类: public class Job extends ModelObject { private String name; private String state; public State getState() {return state;} public void setState(final State state) {this.state = state;} public String getName() {retur
public class Job extends ModelObject {
private String name;
private String state;
public State getState() {return state;}
public void setState(final State state) {this.state = state;}
public String getName() {return name;}
public void setName(String name) {this.name = name;}
}
public class JobManager extends ModelObject {
private List<Job> jobs = new ArrayList<Job>();
public List<Job> getJobs() {
return jobs;
}
public void addJob(Job job) {
jobs.add(job);
firePropertyChange("jobs", null, null);
}
public void removeJob(Job job) {
jobs.remove(job);
firePropertyChange("jobs", null, null);
}
}
这个很好用。
将作业添加到作业管理器-jobManager.add(作业)时,新行将显示在表视图中。
当我从作业管理器-jobManager.remove(作业)中删除作业时,相应的行将从表视图中删除
但我还希望在作业状态从“state1”更改为“state2”时更新表视图—job.setState(“state2”);
我该怎么做呢?也许这会对某人有所帮助。 要实现这样的行为,只需重写Job类中的equals和hashCode并调用 Job.setState()中的firePropertyChange(“state”,null,null)
... // TableViewer tableViewer;
... // JobManager jobManager;
IObservableList jobs = BeanProperties.list(JobManager.class, "jobs").observe(jobManager);
tableViewer.setContentProvider(new ObservableListContentProvider());
... // set label provider etc
tableViewer.setInput(jobs);
public void setState(final State state) {
this.state = state;
firePropertyChange("state", null, null);
}
@Override
public boolean equals(Object o) {
if (!(o instanceof Job))
return false;
final Job other = (Job) o;
return name.equals(other.name)
&& state == other.state;
}
@Override
public int hashCode() {
int result = name.hashCode();
result = 31 * result + state.hashCode();
return result;
}