ControlPanel Buttons are now disabled when they have no function

This commit is contained in:
Robin 2021-02-28 11:17:16 +01:00
parent bd5f0eeefa
commit 7271c22029

View File

@ -42,6 +42,7 @@ public class TypeInferenceView extends VerticalLayout
private MathjaxProofTree tree;
private final transient LatexCreator lc;
private final Div content;
private ControlPanel controlPanel;
/**
* Initializes the component. When initialization is complete, the first step of the type
@ -58,13 +59,15 @@ public class TypeInferenceView extends VerticalLayout
error -> getTranslation("root." + error.toString().toLowerCase(Locale.ENGLISH)));
content = new Div();
content.setId(CONTENT_ID);
ControlPanel controlPanel = new ControlPanel(this, this);
controlPanel = new ControlPanel(this, this);
Scroller scroller = new Scroller(content);
scroller.setId(SCROLLER_ID);
scroller.setScrollDirection(Scroller.ScrollDirection.BOTH);
add(scroller, controlPanel);
treeNumbers = lc.getTreeNumbers();
setContent();
controlPanel.setEnabledFirstStep(false);
controlPanel.setEnabledPreviousStep(false);
}
private void setContent() {
@ -91,6 +94,12 @@ public class TypeInferenceView extends VerticalLayout
int treeEnd = treeNumbers.indexOf(tree.getStepCount() - 1);
currentStep = currentStep > treeEnd && tree.getStepCount() > 0 ? treeEnd : 0;
refreshElements();
if (currentStep == 0) {
controlPanel.setEnabledFirstStep(false);
controlPanel.setEnabledPreviousStep(false);
}
controlPanel.setEnabledNextStep(true);
controlPanel.setEnabledLastStep(true);
}
@Override
@ -98,18 +107,37 @@ public class TypeInferenceView extends VerticalLayout
int treeEnd = treeNumbers.indexOf(tree.getStepCount() - 1);
currentStep = currentStep < treeEnd ? treeEnd : unification.getStepCount() - 1;
refreshElements();
if (currentStep == unification.getStepCount() - 1) {
controlPanel.setEnabledNextStep(false);
controlPanel.setEnabledLastStep(false);
}
controlPanel.setEnabledFirstStep(true);
controlPanel.setEnabledPreviousStep(true);
}
@Override
public void nextStepButton() {
currentStep = currentStep < unification.getStepCount() - 1 ? currentStep + 1 : currentStep;
refreshElements();
if (currentStep == unification.getStepCount() - 1) {
controlPanel.setEnabledNextStep(false);
controlPanel.setEnabledLastStep(false);
}
controlPanel.setEnabledFirstStep(true);
controlPanel.setEnabledPreviousStep(true);
}
@Override
public void previousStepButton() {
currentStep = currentStep > 0 ? currentStep - 1 : currentStep;
refreshElements();
if (currentStep == 0) {
controlPanel.setEnabledFirstStep(false);
controlPanel.setEnabledPreviousStep(false);
}
controlPanel.setEnabledNextStep(true);
controlPanel.setEnabledLastStep(true);
}
@Override