Files
Web4Rail/src/main/java/de/srsoftware/web4rail/actions/SetContextTrain.java
Stephan Richter 0dda9f16e0 threads now pooled
2020-12-29 19:32:28 +01:00

80 lines
1.9 KiB
Java

package de.srsoftware.web4rail.actions;
import java.util.HashMap;
import java.util.List;
import org.json.JSONObject;
import de.srsoftware.web4rail.Application;
import de.srsoftware.web4rail.BaseClass;
import de.srsoftware.web4rail.Window;
import de.srsoftware.web4rail.moving.Train;
import de.srsoftware.web4rail.tags.Fieldset;
public class SetContextTrain extends Action {
private Train train = null;
public SetContextTrain(BaseClass parent) {
super(parent);
}
@Override
public boolean fire(Context context) {
context.train(train);
return true;
}
@Override
public JSONObject json() {
JSONObject json = super.json();
if (isSet(train)) json.put(REALM_TRAIN, train.id());
return json;
}
@Override
public Action load(JSONObject json) {
super.load(json);
if (json.has(REALM_TRAIN)) {
Id trainId = Id.from(json,REALM_TRAIN);
if (isSet(trainId)) {
train = Train.get(trainId);
if (isNull(train)) Application.threadPool.execute(new Thread() { // load asynchronously, as referred tile may not be available,yet
public void run() {
try {
sleep(1000);
train = Train.get(trainId);
} catch (InterruptedException e) {}
};
});
}
}
return this;
}
@Override
protected Window properties(List<Fieldset> preForm, FormInput formInputs, List<Fieldset> postForm) {
formInputs.add(t("Select train"),Train.selector(train, null));
return super.properties(preForm, formInputs, postForm);
}
@Override
protected void removeChild(BaseClass child) {
if (child == train) train = null;
super.removeChild(child);
}
public String toString() {
return isSet(train) ? t("Set {} as context",train) : "["+t("Click here to select train!")+"]";
};
@Override
protected Object update(HashMap<String, String> params) {
LOG.debug("update: {}",params);
Id trainId = Id.from(params,Train.class.getSimpleName());
if (isSet(trainId)) train = Train.get(trainId);
return super.update(params);
}
}