Skip to content

Commit

Permalink
feat: Support injection of array type.
Browse files Browse the repository at this point in the history
  • Loading branch information
@teletha
teletha committed Sep 24, 2023
1 parent 60540a6 commit c5c2cc4
Showing 1 changed file with 103 additions and 52 deletions.
155 changes: 103 additions & 52 deletions src/main/java/viewtify/ui/View.java
View file
Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
*/
package viewtify.ui;

import java.lang.reflect.Array;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
Expand All @@ -18,14 +19,12 @@

import javafx.application.Platform;
import javafx.collections.ObservableList;
import javafx.css.Styleable;
import javafx.scene.Node;
import javafx.scene.control.TableColumnBase;
import javafx.scene.layout.Pane;
import javafx.stage.Screen;
import javafx.stage.Stage;
import javafx.stage.Window;

import kiss.Disposable;
import kiss.Extensible;
import kiss.I;
Expand Down Expand Up @@ -236,6 +235,26 @@ public final void visible(boolean visibility) {
/** The initialization state. */
private boolean initialized;

/**
* Initialize myself.
*/
synchronized void initialize(View parent) {
if (initialized == false) {
initialized = true;
this.parent = parent;

// initialize user system lazily
try {
buildUI();

this.root = declareUI().ui();
} catch (Exception e) {
e.printStackTrace();
throw I.quiet(e);
}
}
}

/**
* Initialize myself.
*/
Expand Down Expand Up @@ -265,57 +284,27 @@ private void buildUI() {
for (Field field : targetClass.getDeclaredFields()) {
Class<?> type = field.getType();
field.setAccessible(true);

if (Modifier.isAbstract(type.getModifiers())) {
continue;
}

Object assigned = field.get(this);

if (View.class.isAssignableFrom(type)) {
if (assigned != null) {
((View) assigned).initializeLazy(this);
} else {
Class<View> viewType = (Class<View>) type;
field.set(this, findAncestorView(viewType).or(() -> {
View sub = I.make(viewType);
sub.initializeLazy(this);
return sub;
}));
if (assigned != null) {
if (assigned instanceof View view) {
view.initializeLazy(this);
} else if (type.isArray()) {
buildArray(type, assigned, field);
}
} else if (Node.class.isAssignableFrom(type)) {
if (assigned == null) {
Constructor constructor = Model.collectConstructors(type)[0];
constructor.setAccessible(true);
} else if (!Modifier.isAbstract(type.getModifiers())) {
if (View.class.isAssignableFrom(type)) {
Class<View> viewType = (Class<View>) type;
View view = findAncestorView(viewType).or(() -> I.make(viewType));
view.initializeLazy(this);

Node node = (Node) constructor.newInstance(this);
field.set(this, view);
} else if (Node.class.isAssignableFrom(type) || UserInterfaceProvider.class.isAssignableFrom(type)) {
Object node = createUI(type, field);

assignId(node, field.getName());
field.set(this, node);
}
} else if (UserInterfaceProvider.class.isAssignableFrom(type)) {
if (assigned == null) {
Constructor constructor = Model.collectConstructors(type)[0];
constructor.setAccessible(true);

Parameter[] params = constructor.getParameters();
UserInterfaceProvider provider = null;

if (params.length == 1) {
provider = (UserInterfaceProvider) constructor.newInstance(this);
} else if (params.length == 2 && params[1].getType() == Class.class) {
provider = (UserInterfaceProvider) constructor
.newInstance(this, Model.collectParameters(field.getGenericType(), field.getType())[0]);
} else if (params.length == 3 && params[1].getType() == Class.class && params[2].getType() == Class.class) {
Type[] types = Model.collectParameters(field.getGenericType(), field.getType());
provider = (UserInterfaceProvider) constructor.newInstance(this, types[0], types[1]);
} else {
throw new UnsupportedOperationException("Unknown constructor type. [" + constructor + "]");
}

assignId(provider.ui(), field.getName());
field.set(this, provider);
}
}
}
targetClass = targetClass.getSuperclass();
Expand All @@ -327,17 +316,79 @@ private void buildUI() {
}
}

private void buildArray(Class type, Object array, Field field) {
Class arrayType = type.getComponentType();
int length = Array.getLength(array);

for (int i = 0; i < length; i++) {
if (arrayType.isArray()) {
buildArray(arrayType, Array.get(array, i), field);
} else {
Array.set(array, i, createUI(arrayType, field));
}
}
}

/**
* Create various user interface types.
*
* @param <T>
* @param type
* @param field
* @return
*/
private <T> T createUI(Class<T> type, Field field) {
if (View.class.isAssignableFrom(type)) {
Class<View> viewType = (Class<View>) type;
View view = findAncestorView(viewType).or(() -> I.make(viewType));
view.initializeLazy(this);
return (T) view;
} else {
Constructor<T> constructor = Model.collectConstructors(type)[0];
constructor.setAccessible(true);

Parameter[] parameterTypes = constructor.getParameters();
Object[] parameters = new Object[parameterTypes.length];
Type[] specializedTypes = null;

for (int i = 0; i < parameters.length; i++) {
Class<?> parameterType = parameterTypes[i].getType();

if (parameterType == View.class || parameterType == getClass()) {
parameters[i] = this;
} else if (View.class.isAssignableFrom(parameterType)) {
parameters[i] = findAncestorView((Class<View>) parameterType);
} else if (parameterType == Class.class) {
if (specializedTypes == null) specializedTypes = Model.collectParameters(field.getGenericType(), field.getType());
parameters[i] = specializedTypes[i - 1];
} else {
parameters[i] = I.make(parameterType);
}
}

try {
return constructor.newInstance(parameters);
} catch (Exception e) {
throw new UnsupportedOperationException("Non supported constructor [" + constructor + "] on view [" + this + "]", e);
}
}
}

/**
* Assign id to {@link Styleable}.
* Assign id to {@link Node}.
*
* @param ui
* @param id
* @param ui The target widget.
* @param id The widget id.
*/
private void assignId(Object ui, String id) {
if (ui instanceof Node) {
((Node) ui).setId(id);
} else if (ui instanceof TableColumnBase) {
((TableColumnBase) ui).setId(id);
if (ui instanceof UserInterfaceProvider provider) {
ui = provider.ui();
}

if (ui instanceof Node node) {
node.setId(id);
} else if (ui instanceof TableColumnBase column) {
column.setId(id);
}
}

Expand Down

0 comments on commit c5c2cc4

Please sign in to comment.