fix: allow replacing footer component #21
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WalkthroughThe changes introduce a new Changes
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Actionable comments posted: 2
Outside diff range and nitpick comments (1)
src/main/java/com/flowingcode/vaadin/addons/chatassistant/ChatAssistant.java (1)
289-289: Consider using @nonnull annotationWhile the comment clearly states that the component cannot be null, it would be beneficial to enforce this at compile-time using the
@NonNullannotation. This would provide better safety and clarity.Consider updating the method signature as follows:
public void setFooterComponent(@NonNull Component component)Don't forget to import the appropriate
@NonNullannotation, such asjavax.annotation.NonNullor the one provided by your preferred annotation library.
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- src/main/java/com/flowingcode/vaadin/addons/chatassistant/ChatAssistant.java (4 hunks)
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src/main/java/com/flowingcode/vaadin/addons/chatassistant/ChatAssistant.java (3)
65-65: LGTM: Addition of footerContainer fieldThe introduction of the
footerContainerfield is a good approach to manage the footer components more effectively. This aligns well with the PR objective of improving the footer component management.
104-110: LGTM: Proper initialization of footerContainerThe initialization and configuration of the
footerContainerin the constructor are well-implemented. It maintains the previous functionality while improving the structure for better footer component management. The layout settings ensure a compact design, which is good for chat interfaces.
Line range hint
1-341: Overall assessment: Good progress, minor improvements neededThe changes in this PR make significant progress towards improving the footer component management in the ChatAssistant class. The introduction of the
footerContainerand the updates to thesetFooterComponentmethod are well-implemented and align with the PR objectives.However, there are a few areas that could be improved:
- Consider using the
@NonNullannotation in thesetFooterComponentmethod signature for better compile-time checking.- Revise the JavaScript execution logic in
setFooterComponentto ensure it's always executed when setting a new footer component.- Explicitly handle the removal of MessageInput when setting a new footer component to fully address the PR objective.
With these minor adjustments, the PR will fully meet its objectives and improve the overall quality of the ChatAssistant implementation.
| Objects.requireNonNull(component, "Component cannot not be null"); | ||
| if (footerComponent==null) { | ||
| this.getElement().executeJs("setTimeout(() => this.shadowRoot.querySelector($0).innerHTML = $1)", ".chat-footer", "<slot name='footer'></slot>"); | ||
| } else { | ||
| this.footerContainer.remove(footerComponent); | ||
| } | ||
| this.footerComponent = component; | ||
| this.getElement().executeJs("setTimeout(() => this.shadowRoot.querySelector($0).innerHTML = $1)", ".chat-footer", "<slot name='footer'></slot>"); | ||
| component.getElement().setAttribute("slot", "footer"); | ||
| this.add(footerComponent); | ||
| footerContainer.add(footerComponent); |
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Approve with suggestion: Revise JavaScript execution logic
The implementation of setFooterComponent is generally good. The null check and the use of footerContainer are appropriate. However, there's a potential issue with the JavaScript execution logic.
The JavaScript to update the shadow DOM is only executed when footerComponent is null. This might lead to inconsistencies when updating an existing footer. Consider moving this JavaScript execution outside the null check:
public void setFooterComponent(Component component) {
Objects.requireNonNull(component, "Component cannot not be null");
if (footerComponent != null) {
this.footerContainer.remove(footerComponent);
}
this.footerComponent = component;
footerContainer.add(footerComponent);
// Execute JavaScript regardless of whether footerComponent was null
this.getElement().executeJs("setTimeout(() => this.shadowRoot.querySelector($0).innerHTML = $1)", ".chat-footer", "<slot name='footer'></slot>");
}This ensures that the shadow DOM is always updated when setting a new footer component.
Suggestion: Explicitly remove MessageInput when setting new footer
While the changes improve footer component management, they don't explicitly address the PR objective of removing the MessageInput when a new footer component is set.
Consider modifying the setFooterComponent method to explicitly remove the MessageInput when setting a new footer component:
public void setFooterComponent(Component component) {
Objects.requireNonNull(component, "Component cannot not be null");
// Remove existing footer component
if (footerComponent != null) {
this.footerContainer.remove(footerComponent);
}
// Explicitly remove MessageInput if it exists and the new component is not MessageInput
if (messageInput != null && component != messageInput) {
this.footerContainer.remove(messageInput);
}
this.footerComponent = component;
footerContainer.add(footerComponent);
// Execute JavaScript to update shadow DOM
this.getElement().executeJs("setTimeout(() => this.shadowRoot.querySelector($0).innerHTML = $1)", ".chat-footer", "<slot name='footer'></slot>");
}This change ensures that the MessageInput is removed when a new footer component is set, directly addressing the PR objective.
Fixes #20
Summary by CodeRabbit
New Features
Bug Fixes