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[Sample] Add a Drag and Drop Sample

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iizzaya 6 年前
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共有 2 个文件被更改，包括 296 次插入 和 0 次删除
  1. 285
      Samples/UIWidgetSample/DragNDropSample.cs
  2. 11
      Samples/UIWidgetSample/DragNDropSample.cs.meta

285
Samples/UIWidgetSample/DragNDropSample.cs
查看文件


using System.Collections.Generic;
using Unity.UIWidgets.animation;
using Unity.UIWidgets.editor;
using Unity.UIWidgets.foundation;
using Unity.UIWidgets.material;
using Unity.UIWidgets.painting;
using Unity.UIWidgets.rendering;
using Unity.UIWidgets.widgets;
using UnityEditor;
using UnityEngine;
using Color = Unity.UIWidgets.ui.Color;
using Transform = UnityEngine.Transform;
namespace UIWidgetsSample {
public class DragNDropSample : UIWidgetsEditorWindow {
[MenuItem("UIWidgetsTests/Drag&Drop/DragNDropSample")]
public static void ShowEditorWindow() {
var window = GetWindow<DragNDropSample>();
window.titleContent.text = "DragNDropSample";
}
protected override Widget createWidget() {
Debug.Log("[ WIDGET CREATED ]");
return new WidgetsApp(
home: new DragNDropSampleWidget(),
pageRouteBuilder: (RouteSettings settings, WidgetBuilder builder) =>
new PageRouteBuilder(
settings: settings,
pageBuilder: (BuildContext context, Animation<float> animation,
Animation<float> secondaryAnimation) => builder(context)
)
);
}
}
public class DragNDropSampleWidget : StatefulWidget {
public DragNDropSampleWidget(Key key = null) : base(key) {
}
public override State createState() {
return new DragNDropSampleWidgetState();
}
}
public class DragNDropSampleWidgetState : State<DragNDropSampleWidget> {
readonly Color highlightColor = Color.fromARGB(255, 88, 127, 219);
readonly Color defaultColor = Color.fromARGB(255, 211, 211, 211);
readonly List<bool> isHighlighted = new List<bool> { };
readonly List<Object[]> objects = new List<Object[]>();
List<Widget> getUnityObjectDetectorList(int count) {
if (this.isHighlighted.isEmpty()) {
for (int i = 0; i < count; i++) {
this.isHighlighted.Add(false);
}
}
if (this.objects.isEmpty()) {
for (int i = 0; i < count; i++) {
this.objects.Add(null);
}
}
List<Widget> widgetList = new List<Widget>();
widgetList.Add(this.getGapBox("Use UnityObjectDetector"));
for (int i = 0; i < count; i++) {
var _i = i;
Widget widget = new Container(
decoration: this.isHighlighted[_i]
? new BoxDecoration(color: this.highlightColor)
: new BoxDecoration(color: this.defaultColor),
height: 100f,
child: new UnityObjectDetector(
onEnter: () => {
Debug.Log("Widget " + _i + " onEnter");
this.setState(() => { this.isHighlighted[_i] = true; });
},
onRelease: (details) => {
Debug.Log("Widget " + _i + " onRelease");
this.setState(() => {
this.isHighlighted[_i] = false;
this.objects[_i] = details.objectReferences;
});
},
onExit: () => {
Debug.Log("Widget " + _i + " onExit");
this.setState(() => { this.isHighlighted[_i] = false; });
},
child: new Center(
child: new Text(this.objects[_i] != null
? this.getNameString(this.objects[_i])
: "[Drop/Multi-Drop Here]")
)
)
);
widgetList.Add(widget);
if (_i != count - 1) {
widgetList.Add(this.getGapBox());
}
}
return widgetList;
}
string getNameString(Object[] objs) {
var str = "";
for (int i = 0; i < objs.Length; i++) {
str += "[" + objs[i].name + "]";
if (i != objs.Length - 1) {
str += "\n";
}
}
return str;
}
Widget getGapBox(string str = "") {
return new Container(
height: 25,
child: str == ""
? null
: new Center(
child: new Text(str)
)
);
}
Widget getSizedTableCell(string text) {
return new Container(
height: 20f,
child: new Center(
child: new Text(text)
)
);
}
bool highlight = false;
Object[] objRef;
bool isTransformDisplayHighlighted = false;
Transform transformRef;
public override Widget build(BuildContext context) {
var columnList = new List<Widget>();
columnList.AddRange(this.getUnityObjectDetectorList(2));
columnList.AddRange(
new List<Widget> {
this.getGapBox("Use Listener"),
new Container(
decoration: this.highlight
? new BoxDecoration(color: this.highlightColor)
: new BoxDecoration(color: this.defaultColor),
height: 100f,
child: new Listener(
onPointerDragFromEditorEnter: (evt) => {
this.setState(() => { this.highlight = true; });
},
onPointerDragFromEditorExit: (evt) => {
this.setState(() => { this.highlight = false; });
},
// onPointerDragFromEditorHover: (evt) => { },
onPointerDragFromEditorRelease: (evt) => {
this.objRef = evt.objectReferences;
this.setState(() => { this.highlight = false; });
},
child: new Center(
child: new Text(this.objRef != null
? this.getNameString(this.objRef)
: "[Drop/Multi-Drop Here]")
)
)
)
}
);
columnList.AddRange(
new List<Widget>() {
this.getGapBox("Sample: Display Transform"),
new Container(
decoration: this.isTransformDisplayHighlighted
? new BoxDecoration(color: this.highlightColor)
: new BoxDecoration(color: this.defaultColor),
height: 100f,
child: new UnityObjectDetector(
onEnter: () => { this.setState(() => { this.isTransformDisplayHighlighted = true; }); },
onRelease: (details) => {
this.setState(() => {
this.isTransformDisplayHighlighted = false;
var gameObj = details.objectReferences[0] as GameObject;
if (gameObj) {
this.transformRef = gameObj.GetComponent<Transform>();
}
else {
Debug.Log("Not a GameObject");
}
});
},
onExit: () => {
Debug.Log("onExit");
this.setState(() => { this.isTransformDisplayHighlighted = false; });
},
child: new Column(
children: new List<Widget> {
new Container(
height: 20,
child: new Center(
child: new Text(this.transformRef == null
? "[Drop a GameObject from scene here]"
: this.transformRef.name
)
)
),
new Table(
border: TableBorder.all(),
children: new List<TableRow> {
new TableRow(
children: new List<Widget> {
this.getSizedTableCell(""),
this.getSizedTableCell("X"),
this.getSizedTableCell("Y"),
this.getSizedTableCell("Z")
}
),
new TableRow(
children: new List<Widget> {
this.getSizedTableCell("Position"),
this.getSizedTableCell(this.transformRef == null
? ""
: this.transformRef.position.x.ToString()),
this.getSizedTableCell(this.transformRef == null
? ""
: this.transformRef.position.y.ToString()),
this.getSizedTableCell(this.transformRef == null
? ""
: this.transformRef.position.z.ToString())
}
),
new TableRow(
children: new List<Widget> {
this.getSizedTableCell("Rotation"),
this.getSizedTableCell(this.transformRef == null
? ""
: this.transformRef.eulerAngles.x.ToString()),
this.getSizedTableCell(this.transformRef == null
? ""
: this.transformRef.eulerAngles.y.ToString()),
this.getSizedTableCell(this.transformRef == null
? ""
: this.transformRef.eulerAngles.z.ToString())
}
),
new TableRow(
children: new List<Widget> {
this.getSizedTableCell("Scale"),
this.getSizedTableCell(this.transformRef == null
? ""
: this.transformRef.localScale.x.ToString()),
this.getSizedTableCell(this.transformRef == null
? ""
: this.transformRef.localScale.y.ToString()),
this.getSizedTableCell(this.transformRef == null
? ""
: this.transformRef.localScale.z.ToString())
}
)
}
)
}
)
))
}
);
return new Container(
padding: EdgeInsets.symmetric(horizontal: 25f),
color: Colors.grey,
child: new ListView(
children: columnList
));
}
}
}

11
Samples/UIWidgetSample/DragNDropSample.cs.meta
查看文件


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defaultReferences: []
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userData:
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