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Android: implement beforeDragging callback

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王劲鹏
2022-06-30 16:39:38 +08:00
committed by osborn
parent 86e5e2422f
commit 5071dfbfe5
1 changed files with 26 additions and 1 deletions
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27
doric-android/doric/src/main/java/pub/doric/shader/list/ListNode.java
View File

@@ -15,6 +15,8 @@
*/ */
package pub.doric.shader.list; package pub.doric.shader.list;
import static androidx.recyclerview.widget.ItemTouchHelper.ACTION_STATE_DRAG;
import android.annotation.SuppressLint; import android.annotation.SuppressLint;
import android.content.Context; import android.content.Context;
import android.text.TextUtils; import android.text.TextUtils;
@@ -87,6 +89,13 @@ public class ListNode extends SuperNode<RecyclerView> implements IDoricScrollabl
} }
@Override
public void beforeMove(int fromPos) {
if (!TextUtils.isEmpty(beforeDraggingFuncId)) {
callJSResponse(beforeDraggingFuncId, fromPos);
}
}
@Override @Override
public boolean onMove(int srcPosition, int targetPosition) { public boolean onMove(int srcPosition, int targetPosition) {
String srcValue = itemValues.valueAt(srcPosition); String srcValue = itemValues.valueAt(srcPosition);
@@ -109,6 +118,7 @@ public class ListNode extends SuperNode<RecyclerView> implements IDoricScrollabl
} }
); );
private String beforeDraggingFuncId;
private String onDraggingFuncId; private String onDraggingFuncId;
private String onDraggedFuncId; private String onDraggedFuncId;
@@ -309,6 +319,12 @@ public class ListNode extends SuperNode<RecyclerView> implements IDoricScrollabl
boolean canDrag = prop.asBoolean().value(); boolean canDrag = prop.asBoolean().value();
doricItemTouchHelperCallback.setDragEnable(canDrag); doricItemTouchHelperCallback.setDragEnable(canDrag);
break; break;
case "beforeDragging":
if (!prop.isString()) {
return;
}
this.beforeDraggingFuncId = prop.asString().value();
break;
case "onDragging": case "onDragging":
if (!prop.isString()) { if (!prop.isString()) {
return; return;
@@ -434,8 +450,9 @@ public class ListNode extends SuperNode<RecyclerView> implements IDoricScrollabl
onScrollFuncId = null; onScrollFuncId = null;
onScrollEndFuncId = null; onScrollEndFuncId = null;
renderItemFuncId = null; renderItemFuncId = null;
onDraggedFuncId = null; beforeDraggingFuncId = null;
onDraggingFuncId = null; onDraggingFuncId = null;
onDraggedFuncId = null;
} }
private static class DoricItemTouchHelper extends ItemTouchHelper { private static class DoricItemTouchHelper extends ItemTouchHelper {
@@ -522,6 +539,12 @@ public class ListNode extends SuperNode<RecyclerView> implements IDoricScrollabl
if (viewHolder != null) { if (viewHolder != null) {
fromPos = viewHolder.getAdapterPosition(); fromPos = viewHolder.getAdapterPosition();
} }
if (actionState == ACTION_STATE_DRAG) {
if (onItemTouchCallbackListener != null) {
onItemTouchCallbackListener.beforeMove(fromPos);
}
}
} }
@Override @Override
@@ -545,6 +568,8 @@ public class ListNode extends SuperNode<RecyclerView> implements IDoricScrollabl
private interface OnItemTouchCallbackListener { private interface OnItemTouchCallbackListener {
void onSwiped(int adapterPosition); void onSwiped(int adapterPosition);
void beforeMove(int fromPos);
boolean onMove(int srcPosition, int targetPosition); boolean onMove(int srcPosition, int targetPosition);
void onMoved(int fromPos, int toPos); void onMoved(int fromPos, int toPos);