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feat: Add lazy support to available items grid #145

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flang
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@flang flang commented Jul 24, 2023

Close #130

Summary by CodeRabbit

  • New Features

    • Introduced in-memory and lazy filtering support for columns in the TwinColGrid component.
    • Added methods for managing items, filtering, and sorting in TwinColGrid.
    • Enhanced grid configuration with filterable columns, drag-and-drop, and reordering.
  • Enhancements

    • Updated Book class to include a price field.
    • Improved column configuration in TwinColGrid to support sorting and headers.
    • Added support for eager and lazy filter configurations.
  • Bug Fixes

    • Corrected initialization and layout logic in TwinColGrid.
  • Documentation

    • Updated examples to reflect new features and enhancements.

@flang flang requested review from javier-godoy, mlopezFC and paodb July 24, 2023 19:30
@flang flang force-pushed the v3.0.0-lazy-filterable branch from 84774e4 to 199e613 Compare July 24, 2023 19:31
@flang flang force-pushed the v3.0.0-lazy-filterable branch from b44de38 to d5c58f6 Compare July 24, 2023 19:39
@sonarqubecloud
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Kudos, SonarCloud Quality Gate passed!    Quality Gate passed

Bug A 0 Bugs
Vulnerability A 0 Vulnerabilities
Security Hotspot A 0 Security Hotspots
Code Smell A 1 Code Smell

No Coverage information No Coverage information
0.0% 0.0% Duplication

@javier-godoy
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I decline to review because there are numerous formatting changes and other refactors in the implementation of the feature that have merits of their own, regardless of whether the feature is implemented or not. As this is currently presented, it's difficult to asses the actual impact on the API or to current features.

@javier-godoy javier-godoy removed their request for review July 24, 2023 19:56
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@coderabbitai review

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coderabbitai bot commented May 21, 2024

Actions Performed

Review triggered.

Note: CodeRabbit is an incremental review system and does not re-review already reviewed commits. This command is applicable only when automatic reviews are paused.

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coderabbitai bot commented May 21, 2024

Walkthrough

The recent updates to the com.flowingcode.vaadin.addons.twincolgrid package introduce support for lazy data providers, enhance filtering capabilities, and improve the management of twin-column grids. Key enhancements include new classes for lazy and eager filtering, updated grid and model configurations, and added support for in-memory and backend data providers.

Changes

Files/Groups Change Summaries
src/main/java/.../BaseLazyFilter.java Introduced BaseLazyFilter class with properties for selected items and sorting orders.
src/main/java/.../EagerFilterConfiguration.java Added methods for applying eager filter configuration and checking support for modes.
src/main/java/.../EagerFilterableColumn.java Implemented EagerFilterableColumn class for in-memory filtering support.
src/main/java/.../EagerTwinColModel.java Enhanced model with methods for item management and drag-and-drop operations.
src/main/java/.../FilterConfiguration.java Added abstract methods for applying configurations and checking mode support.
src/main/java/.../FilterableColumn.java Introduced FilterableColumn abstract class with properties for column, filter placeholder, and clear button.
src/main/java/.../FilterableTwinColumn.java Updated references to LegacyTwinColGrid in filter-related methods.
src/main/java/.../LazyFilter.java Added methods to LazyFilter interface for retrieving selected items and sorting criteria.
src/main/java/.../LazyFilterConfiguration.java Added methods for applying lazy filter configuration and checking mode support.
src/main/java/.../LazyFilterableColumn.java Implemented LazyFilterableColumn class with fields for lazy and eager filter conditions.
src/main/java/.../LazyTwinColModel.java Enhanced model with methods for item management, filtering, and drag-and-drop operations.
src/main/java/.../LegacyTwinColGrid.java Added methods and fields for column management, filtering, and header row configuration.
src/main/java/.../TwinColGrid.java Refactored grid logic, added support for lazy/eager loading, and enhanced filtering capabilities.
src/main/java/.../TwinColModel.java Added abstract methods for data provider retrieval, item management, and filtering.
src/test/java/.../Book.java Updated Book class to include price field and modified constructor and toString method.
src/test/java/.../BookFilter.java Introduced BookFilter class extending BaseLazyFilter with properties for isbn and title.
src/test/java/.../BookService.java Added methods for fetching, counting, and managing books, supporting filtering and sorting.
src/test/java/.../BoundDemo.java Modified columns in TwinColGrid, updated book data initialization with price parameter.

Assessment against linked issues

Objective (Issue #130) Addressed Explanation
Support for lazy data providers
Methods for fetching and counting book data with filters
Enhancements to grid and model configurations
Refactoring to support lazy and eager loading

In twin columns where data flows,
Filters dance as sorting grows.
Eager, lazy, they align,
Books in grids, a perfect sign.
Code evolves, and features shine,
A rabbit's joy, in every line. 🐇📚


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Actionable comments posted: 4

Outside diff range and nitpick comments (2)
src/test/java/com/flowingcode/vaadin/addons/twincolgrid/Book.java (1)

35-39: Addition of the price field and update to the toString method are correctly implemented. Consider adding a comment describing the purpose of the price field.

src/main/java/com/flowingcode/vaadin/addons/twincolgrid/TwinColGrid.java (1)

247-248: Ensure data providers are refreshed only when necessary.

The calls to refreshAll on data providers might be redundant if the data has not changed. Verify if these calls are necessary or if they can be conditionally executed.

#!/bin/bash
# Description: Check for other instances where data providers are refreshed unnecessarily.
rg --type java "getDataProvider().refreshAll"
Review Details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits Files that changed from the base of the PR and between 5caf060 and d5c58f6.
Files selected for processing (24)
  • src/main/java/com/flowingcode/vaadin/addons/twincolgrid/BaseLazyFilter.java (1 hunks)
  • src/main/java/com/flowingcode/vaadin/addons/twincolgrid/EagerFilterConfiguration.java (1 hunks)
  • src/main/java/com/flowingcode/vaadin/addons/twincolgrid/EagerFilterableColumn.java (1 hunks)
  • src/main/java/com/flowingcode/vaadin/addons/twincolgrid/EagerTwinColModel.java (1 hunks)
  • src/main/java/com/flowingcode/vaadin/addons/twincolgrid/FilterConfiguration.java (1 hunks)
  • src/main/java/com/flowingcode/vaadin/addons/twincolgrid/FilterableColumn.java (1 hunks)
  • src/main/java/com/flowingcode/vaadin/addons/twincolgrid/FilterableTwinColumn.java (2 hunks)
  • src/main/java/com/flowingcode/vaadin/addons/twincolgrid/LazyFilter.java (1 hunks)
  • src/main/java/com/flowingcode/vaadin/addons/twincolgrid/LazyFilterConfiguration.java (1 hunks)
  • src/main/java/com/flowingcode/vaadin/addons/twincolgrid/LazyFilterableColumn.java (1 hunks)
  • src/main/java/com/flowingcode/vaadin/addons/twincolgrid/LazyTwinColModel.java (1 hunks)
  • src/main/java/com/flowingcode/vaadin/addons/twincolgrid/LegacyTwinColGrid.java (4 hunks)
  • src/main/java/com/flowingcode/vaadin/addons/twincolgrid/TwinColGrid.java (26 hunks)
  • src/main/java/com/flowingcode/vaadin/addons/twincolgrid/TwinColModel.java (1 hunks)
  • src/test/java/com/flowingcode/vaadin/addons/twincolgrid/Book.java (1 hunks)
  • src/test/java/com/flowingcode/vaadin/addons/twincolgrid/BookFilter.java (1 hunks)
  • src/test/java/com/flowingcode/vaadin/addons/twincolgrid/BookService.java (1 hunks)
  • src/test/java/com/flowingcode/vaadin/addons/twincolgrid/BoundDemo.java (1 hunks)
  • src/test/java/com/flowingcode/vaadin/addons/twincolgrid/DoubleClickDemo.java (1 hunks)
  • src/test/java/com/flowingcode/vaadin/addons/twincolgrid/DragAndDropDemo.java (2 hunks)
  • src/test/java/com/flowingcode/vaadin/addons/twincolgrid/FilterableDemo.java (3 hunks)
  • src/test/java/com/flowingcode/vaadin/addons/twincolgrid/LazyFilterableDemo.java (1 hunks)
  • src/test/java/com/flowingcode/vaadin/addons/twincolgrid/OrientationDemo.java (2 hunks)
  • src/test/java/com/flowingcode/vaadin/addons/twincolgrid/TwincolDemoView.java (1 hunks)
Files skipped from review due to trivial changes (2)
  • src/test/java/com/flowingcode/vaadin/addons/twincolgrid/BookFilter.java
  • src/test/java/com/flowingcode/vaadin/addons/twincolgrid/TwincolDemoView.java
Additional comments not posted (39)
src/main/java/com/flowingcode/vaadin/addons/twincolgrid/FilterableColumn.java (1)

6-12: LGTM! The use of Lombok annotations for getters and the constructor simplifies the code and maintains clarity.

src/main/java/com/flowingcode/vaadin/addons/twincolgrid/BaseLazyFilter.java (1)

11-17: Well implemented! The use of generic types and standard collections like HashSet and ArrayList ensures flexibility and performance.

src/main/java/com/flowingcode/vaadin/addons/twincolgrid/LazyFilter.java (1)

8-22: Excellent documentation and interface design. This will facilitate the implementation of lazy loading features effectively.

src/main/java/com/flowingcode/vaadin/addons/twincolgrid/EagerFilterConfiguration.java (1)

10-24: Good use of generics and method overrides. The implementation of supports method ensures that the configuration is only applied in appropriate scenarios.

src/main/java/com/flowingcode/vaadin/addons/twincolgrid/EagerFilterableColumn.java (1)

12-23: Well-designed class that extends filtering capabilities. The use of SerializableBiPredicate is appropriate for ensuring that filter conditions can be serialized in a distributed environment.

src/main/java/com/flowingcode/vaadin/addons/twincolgrid/LazyFilterConfiguration.java (1)

12-31: Excellent implementation of lazy loading configurations. The class handles the lazy filter instance effectively and ensures that it is only applied in lazy mode scenarios.

src/main/java/com/flowingcode/vaadin/addons/twincolgrid/FilterConfiguration.java (2)

12-19: Constructor and addFilteredColumn method are implemented correctly and efficiently.


26-34: Abstract methods apply and supports are well-defined, promoting flexibility in subclass implementations.

src/main/java/com/flowingcode/vaadin/addons/twincolgrid/LazyFilterableColumn.java (1)

25-36: Constructor and asEager method are well-implemented, providing necessary functionality for lazy filtering and conversion to eager filtering.

src/test/java/com/flowingcode/vaadin/addons/twincolgrid/DoubleClickDemo.java (1)

51-54: Initialization of book data and setup of TwinColGrid with double-click functionality are correctly implemented and demonstrate the new features effectively.

Also applies to: 61-74

src/main/java/com/flowingcode/vaadin/addons/twincolgrid/EagerTwinColModel.java (1)

35-61: Methods for adding, removing items, and handling filterable columns are correctly implemented, supporting the in-memory data provider model effectively.

src/main/java/com/flowingcode/vaadin/addons/twincolgrid/LazyTwinColModel.java (1)

41-69: Methods for adding, removing items, setting filters, and handling filterable columns are correctly implemented, supporting the backend data provider model effectively.

src/test/java/com/flowingcode/vaadin/addons/twincolgrid/OrientationDemo.java (2)

57-58: LGTM! Setting columns as sortable enhances user interaction by allowing sorting on these fields.


73-86: Ensure consistency in data representation. The addition of the price field should be reflected across all relevant parts of the application.

Verification successful

The price field is consistently used in the Book constructor across the application.

  • Instances of the Book constructor in the following files include the price field:
    • OrientationDemo.java
    • FilterableDemo.java
    • DragAndDropDemo.java
    • DoubleClickDemo.java
    • BoundDemo.java
    • BookService.java
Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Verify that the `price` field is consistently used across the application.

# Test: Search for the Book constructor usage. Expect: All occurrences should include the price field.
rg --type java $'new Book\('

Length of output: 8085

src/test/java/com/flowingcode/vaadin/addons/twincolgrid/BoundDemo.java (2)

56-57: LGTM! Setting columns as sortable enhances user interaction by allowing sorting on these fields.


78-91: Ensure consistency in data representation. The addition of the price field should be reflected across all relevant parts of the application.

Verification successful

The price field is consistently used across all instances of the Book constructor in the application.

Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Verify that the `price` field is consistently used across the application.

# Test: Search for the Book constructor usage. Expect: All occurrences should include the price field.
rg --type java $'new Book\('

Length of output: 8085

src/main/java/com/flowingcode/vaadin/addons/twincolgrid/FilterableTwinColumn.java (2)

25-26: LGTM! Setting filter placeholders enhances user experience by providing context for the filter fields.


36-37: LGTM! Allowing the visibility of the clear button to be toggled enhances user experience by providing a clear way to reset filters.

src/main/java/com/flowingcode/vaadin/addons/twincolgrid/TwinColModel.java (1)

18-120: LGTM! The implementation of TwinColModel provides a robust foundation for managing grid behavior and data interactions.

src/test/java/com/flowingcode/vaadin/addons/twincolgrid/BookService.java (1)

40-60: LGTM! The method for fetching books applies filters and sorting correctly, enhancing the functionality of the service.

src/test/java/com/flowingcode/vaadin/addons/twincolgrid/FilterableDemo.java (1)

52-70: LGTM! The setup of filterable columns and the configuration of filters enhances the functionality of the TwinColGrid in the demo.

src/test/java/com/flowingcode/vaadin/addons/twincolgrid/DragAndDropDemo.java (5)

51-58: Ensure that the chaining of method calls on twinColGrid follows best practices for readability and maintainability.


60-61: Setting columns as sortable is a good practice for user-friendly interfaces, especially in a demo that showcases capabilities.


66-67: Adding a selection listener to update the count label dynamically enhances user interaction by providing immediate feedback.


77-90: Adding a diverse set of books with different prices helps in demonstrating the sorting and filtering capabilities effectively in the demo.


98-107: The implementation of the reordering toggle with a refresh function to update visibility based on grid state is a robust way to handle UI changes dynamically.

src/test/java/com/flowingcode/vaadin/addons/twincolgrid/LazyFilterableDemo.java (6)

49-58: Using a lambda expression for the data provider callbacks ensures that the grid can handle large datasets efficiently by fetching and counting data as needed.


66-72: Configuring the grid with lazy loading, drag and drop support, and reordering capabilities demonstrates a comprehensive use of the TwinColGrid's features.


74-87: The setup of lazy filterable columns with dynamic filtering conditions showcases an advanced use of grid functionalities, enhancing the demo's utility.


91-94: Proper configuration of the filter with the addition of filtered columns ensures that the grid can be filtered dynamically based on user input.


104-107: Utilizing a Binder to manage data binding between the TwinColGrid and a Library model is a clean and effective way to handle form-like data interactions.


109-115: Adding buttons for fetching values and clearing the grid provides essential controls for interacting with the grid in the demo.

src/main/java/com/flowingcode/vaadin/addons/twincolgrid/LegacyTwinColGrid.java (2)

297-310: Adding a method to create columns for both grids simultaneously with a TextRenderer simplifies the process of setting up grids in legacy systems.


464-485: The method to control the creation of the first header row based on a boolean flag provides flexibility in configuring grid headers, which is crucial for legacy systems where UI consistency must be maintained.

src/main/java/com/flowingcode/vaadin/addons/twincolgrid/TwinColGrid.java (5)

191-191: Ensure proper initialization of models in forEachSide.

The method forEachSide is used here without a clear indication of what init does. Ensure that this method properly initializes all necessary aspects of the models.


126-129: Ensure LinkedHashSet is the appropriate choice for data handling.

Using LinkedHashSet ensures order but might not be necessary or efficient depending on the data size and operations. Verify if this is the best choice for the use case.

Verification successful

The LinkedHashSet is used in multiple places within the TwinColGrid class and its adapter. To verify if LinkedHashSet is the appropriate choice, we need to understand the context and requirements for each usage. Specifically, we need to determine if the order-preserving nature of LinkedHashSet is necessary and if its performance characteristics are suitable for the use case.

Let's examine the context of each usage of LinkedHashSet in the TwinColGrid class and its adapter.


The LinkedHashSet is used in several places within the TwinColGrid class and its adapter. Here are the contexts:

  1. Constructor:

    public TwinColGrid(final Collection<T> options) {
      this();
      setDataProvider(DataProvider.ofCollection(new LinkedHashSet<>(options)));
    }
    • Purpose: Initializes the data provider with a collection of options.
    • Reasoning: Using LinkedHashSet ensures that the order of options is preserved, which might be important for the UI representation.
  2. Update Selection:

    updateSelection(new LinkedHashSet<>(filteredItems), new HashSet<>(), true);
    updateSelection(new LinkedHashSet<>(getAvailableGrid().getSelectedItems()), new HashSet<>(), true);
    • Purpose: Updates the selection with filtered items or selected items from the available grid.
    • Reasoning: Preserving the order of selected items might be important for consistent user experience.
  3. Set Value:

    final Set<T> oldValues = new LinkedHashSet<>(selection.getItems());
    • Purpose: Stores the old values of the selection.
    • Reasoning: Order preservation might be necessary to compare old and new values accurately.
  4. Drag and Drop Configuration:

    final Set<T> draggedItems = new LinkedHashSet<>();
    • Purpose: Initializes a set for dragged items.
    • Reasoning: Order might be important to maintain the sequence of dragged items.
  5. Adapter Set Value:

    delegate.setValue(new LinkedHashSet<>(value));
    • Purpose: Sets the value in the adapter.
    • Reasoning: Ensures the order of values is preserved when setting them.

Given these contexts, it appears that the use of LinkedHashSet is intentional to preserve the order of elements, which is likely important for the functionality and user experience of the TwinColGrid component.

Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Check for other instances where LinkedHashSet is used for similar purposes.
rg --type java "new LinkedHashSet"

Length of output: 933



Script:

#!/bin/bash
# Extract the context around each usage of LinkedHashSet in the TwinColGrid class and its adapter
rg --type java -A 5 -B 5 "new LinkedHashSet" src/main/java/com/flowingcode/vaadin/addons/twincolgrid/TwinColGrid.java
rg --type java -A 5 -B 5 "new LinkedHashSet" src/main/java/com/flowingcode/vaadin/addons/twincolgrid/TwinColGridListAdapter.java

Length of output: 2253


750-765: Review the logic for handling double-click events.

The method for handling double-click events to move items between grids should be carefully reviewed to ensure it behaves as expected, especially in edge cases.

Verification successful

To ensure the double-click event handling logic is consistent and behaves as expected, especially in edge cases, we need to review the instances found in TwinColModel.java.


Let's refine the pattern to ensure we capture the addItemDoubleClickListener method correctly from TwinColModel.java.


Let's use rg to search for the addItemDoubleClickListener method directly and extract the surrounding lines for context.


The TwinColModel.java file contains methods for adding and removing double-click listeners, as well as retrieving the current listener. The logic in TwinColGrid.java for handling double-click events appears to be consistent with these methods.

  • addItemDoubleClickListener adds a listener and stores the registration.
  • removeItemDoubleClickListener removes the listener if it exists.

These methods ensure that double-click listeners are managed correctly, aligning with the logic in TwinColGrid.java.

Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Search for other instances where double-click events are handled.
rg --type java "addItemDoubleClickListener"

Length of output: 427



Script:

#!/bin/bash
# Extract the relevant methods and context from TwinColModel.java
ast-grep --lang java --pattern 'class TwinColModel {
  $$$
  Registration addItemDoubleClickListener($_) {
    $$$
  }
  $$$
}' > TwinColModel_methods.txt

# Display the content of the extracted methods
cat TwinColModel_methods.txt

Length of output: 160



Script:

#!/bin/bash
# Extract the relevant methods and context from TwinColModel.java
ast-grep --lang java --pattern 'class TwinColModel {
  $$$
  public Registration addItemDoubleClickListener($_) {
    $$$
  }
  $$$
}' > TwinColModel_methods.txt

# Display the content of the extracted methods
cat TwinColModel_methods.txt

Length of output: 167



Script:

#!/bin/bash
# Search for the addItemDoubleClickListener method in TwinColModel.java and extract surrounding lines for context
rg --context 10 "addItemDoubleClickListener" src/main/java/com/flowingcode/vaadin/addons/twincolgrid/TwinColModel.java

Length of output: 679


355-355: Clarify the purpose of forEachSide in this context.

The use of forEachSide here is vague. Clarify its purpose and ensure it is used appropriately within the context of this method.

Verification successful

To clarify the purpose of the forEachSide method, we need to examine the TwinColModel::init method and the setMoveItemsByDoubleClick method in detail. This will help us understand the operations performed on each side (available and selection) when forEachSide is invoked.


To verify the existence and locate the correct patterns for the init method in the TwinColModel class and the setMoveItemsByDoubleClick method in the TwinColGrid class, we will list the methods in these classes.


To verify the existence of the TwinColModel and TwinColGrid classes and locate their methods, we will search for these classes and list their methods.


To verify the existence of the init method in the TwinColModel class and the setMoveItemsByDoubleClick method in the TwinColGrid class, we will search for these methods directly.


The forEachSide method in the TwinColGrid class is used to apply a given Consumer to both the available and selection models. Here are the key points regarding its usage:

  • Initialization: The method forEachSide(TwinColModel::init) is used to initialize both models by setting their selection mode, visibility, and layout properties.
  • Double-Click Handling: In the setMoveItemsByDoubleClick method, forEachSide is used to add double-click listeners to both models, enabling items to be moved between the grids upon double-click.

These usages ensure that both sides of the grid are consistently configured and behave similarly in response to user interactions.

  • Location in Code:
    • forEachSide(TwinColModel::init); is used in the initialization section.
    • forEachSide(side -> { ... }); is used within the setMoveItemsByDoubleClick method.
Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Description: Search for documentation or comments explaining the use of `forEachSide`.
rg --type java "forEachSide" -A 3 -B 3

Length of output: 2287



Script:

#!/bin/bash
# Description: Retrieve the implementation of the `init` method in the `TwinColModel` class.
ast-grep --lang java --pattern $'class TwinColModel<T> {
  $$$
  void init() {
    $$$
  }
  $$$
}'

# Description: Retrieve the full implementation of the `setMoveItemsByDoubleClick` method in the `TwinColGrid` class.
ast-grep --lang java --pattern $'class TwinColGrid<T> {
  $$$
  public void setMoveItemsByDoubleClick(boolean value) {
    $$$
  }
  $$$
}'

Length of output: 241



Script:

#!/bin/bash
# Description: List all methods in the `TwinColModel` class.
ast-grep --lang java --pattern $'class TwinColModel<T> {
  $$$
}' | grep -E 'void|public|private|protected'

# Description: List all methods in the `TwinColGrid` class.
ast-grep --lang java --pattern $'class TwinColGrid<T> {
  $$$
}' | grep -E 'void|public|private|protected'

Length of output: 216



Script:

#!/bin/bash
# Description: Search for the `TwinColModel` class and list its methods.
rg --type java 'class TwinColModel' -A 20

# Description: Search for the `TwinColGrid` class and list its methods.
rg --type java 'class TwinColGrid' -A 20

Length of output: 6717



Script:

#!/bin/bash
# Description: Search for the `init` method in the `TwinColModel` class.
rg --type java 'void init' -A 10

# Description: Search for the `setMoveItemsByDoubleClick` method in the `TwinColGrid` class.
rg --type java 'void setMoveItemsByDoubleClick' -A 10

Length of output: 12013


143-145: Validate the necessity of restricting to InMemoryDataProvider.

The restriction to InMemoryDataProvider might limit flexibility. Consider if other data providers could also be supported without compromising functionality.

import com.vaadin.flow.data.provider.DataProvider;
import com.vaadin.flow.data.provider.InMemoryDataProvider;
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Consider removing the unused import ListDataProvider.

The import ListDataProvider appears to be unused in this file. Removing unused imports can help keep the code clean and maintainable.

getAvailableGrid().setWidth("100%");
getSelectionGrid().setWidth("100%");


addAllButton.setVisible(addAllButton.isVisible() && available.supportsAddAll());
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Check the logic for visibility condition of addAllButton.

The visibility condition for addAllButton seems redundant as setVisible is being called with its own visibility status. Simplify this by directly setting the visibility based on available.supportsAddAll().

- addAllButton.setVisible(addAllButton.isVisible() && available.supportsAddAll());
+ addAllButton.setVisible(available.supportsAddAll());

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‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.

Suggested change
addAllButton.setVisible(addAllButton.isVisible() && available.supportsAddAll());
addAllButton.setVisible(available.supportsAddAll());

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That visibility is not redundant. If addAllButton is not visible I don't want to base the visibility on the result of available.supportsAddAll()

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@mlopezFC, thank you for the clarification. I understand now that the visibility of the addAllButton might be controlled under different conditions elsewhere in your application, and thus, maintaining the current check ensures that it only becomes visible if it was already intended to be so. I'll consider this matter resolved based on your input. If there's anything else you need, feel free to let me know!

Comment on lines +595 to +604
available.addAll(removedItems);
available.removeAll(addedItems);

selection.getItems().addAll(addedItems);
selection.getItems().removeAll(removedItems);
selection.addAll(addedItems);
selection.removeAll(removedItems);

forEachGrid(
grid -> {
grid.getDataProvider().refreshAll();
grid.getSelectionModel().deselectAll();
});
forEachGrid(grid -> {
grid.getDataProvider().refreshAll();
grid.getSelectionModel().deselectAll();
});
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Optimize the updateSelection method for better performance.

The updateSelection method could be optimized by reducing the number of calls to refreshAll and deselectAll. Consider batching these operations or checking conditions before making calls.

- available.addAll(removedItems);
- available.removeAll(addedItems);
- selection.addAll(addedItems);
- selection.removeAll(removedItems);
- forEachGrid(grid -> {
-   grid.getDataProvider().refreshAll();
-   grid.getSelectionModel().deselectAll();
- });
+ updateModel(available, removedItems, addedItems);
+ updateModel(selection, addedItems, removedItems);

Committable suggestion was skipped due low confidence.

Comment on lines +203 to +206
private TwinColModel<T, ?> createModel(@NonNull Grid<T> grid, String className) {
return grid.getDataProvider().isInMemory() ? new EagerTwinColModel<>(grid, className)
: new LazyTwinColModel<>(grid, className);
}
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Refactor to improve the model creation logic.

The method createModel could be refactored for clarity and to avoid repetition. Consider using a ternary operator for a more concise implementation.

- return grid.getDataProvider().isInMemory() ? new EagerTwinColModel<>(grid, className)
-        : new LazyTwinColModel<>(grid, className);
+ return (grid.getDataProvider().isInMemory() ? EagerTwinColModel::new : LazyTwinColModel::new).apply(grid, className);

Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.

Suggested change
private TwinColModel<T, ?> createModel(@NonNull Grid<T> grid, String className) {
return grid.getDataProvider().isInMemory() ? new EagerTwinColModel<>(grid, className)
: new LazyTwinColModel<>(grid, className);
}
private TwinColModel<T, ?> createModel(@NonNull Grid<T> grid, String className) {
return (grid.getDataProvider().isInMemory() ? EagerTwinColModel::new : LazyTwinColModel::new).apply(grid, className);
}

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After trying to review this PR a lot of times, we are not sure how much it would affect the stability of the component given the amount of changes. So we're closing this for now and we will analyze if it is possible to create a simpler implementation in the future.

@mlopezFC mlopezFC closed this Sep 10, 2024
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Add support for Lazy Data Provider
3 participants