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Android: update horizontal list beforeDragging & add itemCanDrag

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王劲鹏 2022-08-26 14:57:36 +08:00 committed by osborn
parent c9eb2fd8bb
commit 7632fa9a9d
1 changed files with 54 additions and 2 deletions
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56
doric-android/doric/src/main/java/pub/doric/shader/horizontallist/HorizontalListNode.java
View File

@ -32,6 +32,7 @@ import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.LinearSmoothScroller;
import androidx.recyclerview.widget.RecyclerView;
import com.github.pengfeizhou.jscore.ArchiveException;
import com.github.pengfeizhou.jscore.JSDecoder;
import com.github.pengfeizhou.jscore.JSNumber;
import com.github.pengfeizhou.jscore.JSONBuilder;
@ -81,6 +82,7 @@ public class HorizontalListNode extends SuperNode<RecyclerView> implements IDori
}
private boolean scrollable = true;
private final Set<Integer> swapDisabled = new HashSet<>();
private final DoricItemTouchHelperCallback doricItemTouchHelperCallback = new DoricItemTouchHelperCallback(
new OnItemTouchCallbackListener() {
@ -89,15 +91,46 @@ public class HorizontalListNode extends SuperNode<RecyclerView> implements IDori
}
@Override
public Boolean itemCanDrag(int fromPos) {
AsyncResult<JSDecoder> asyncResult = callJSResponse(itemCanDragFuncId, fromPos);
JSDecoder jsDecoder = asyncResult.synchronous().get();
try {
JSValue jsValue = jsDecoder.decode();
if (jsValue.isBoolean()) {
return jsValue.asBoolean().value();
}
} catch (ArchiveException e) {
e.printStackTrace();
}
return true;
}
@Override
public void beforeMove(int fromPos) {
swapDisabled.clear();
if (!TextUtils.isEmpty(beforeDraggingFuncId)) {
callJSResponse(beforeDraggingFuncId, fromPos);
AsyncResult<JSDecoder> asyncResult = callJSResponse(beforeDraggingFuncId, fromPos);
JSDecoder jsDecoder = asyncResult.synchronous().get();
try {
JSValue jsValue = jsDecoder.decode();
if (jsValue.isArray()) {
int[] intArray = jsValue.asArray().toIntArray();
for (int i = 0; i != intArray.length; i++) {
swapDisabled.add(intArray[i]);
}
}
} catch (ArchiveException e) {
e.printStackTrace();
}
}
}
@Override
public boolean onMove(int srcPosition, int targetPosition) {
if (swapDisabled.contains(targetPosition)) {
return false;
}
String srcValue = itemValues.valueAt(srcPosition);
String targetValue = itemValues.valueAt(targetPosition);
itemValues.setValueAt(srcPosition, targetValue);
@ -118,6 +151,7 @@ public class HorizontalListNode extends SuperNode<RecyclerView> implements IDori
}
);
private String itemCanDragFuncId;
private String beforeDraggingFuncId;
private String onDraggingFuncId;
private String onDraggedFuncId;
@ -319,6 +353,12 @@ public class HorizontalListNode extends SuperNode<RecyclerView> implements IDori
boolean canDrag = prop.asBoolean().value();
doricItemTouchHelperCallback.setDragEnable(canDrag);
break;
case "itemCanDrag":
if (!prop.isString()) {
return;
}
this.itemCanDragFuncId = prop.asString().value();
break;
case "beforeDragging":
if (!prop.isString()) {
return;
@ -468,6 +508,7 @@ public class HorizontalListNode extends SuperNode<RecyclerView> implements IDori
onScrollFuncId = null;
onScrollEndFuncId = null;
renderItemFuncId = null;
itemCanDragFuncId = null;
beforeDraggingFuncId = null;
onDraggingFuncId = null;
onDraggedFuncId = null;
@ -538,7 +579,16 @@ public class HorizontalListNode extends SuperNode<RecyclerView> implements IDori
swipeFlag = ItemTouchHelper.UP | ItemTouchHelper.DOWN;
dragFlag = ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT;
}
return makeMovementFlags(dragFlag, swipeFlag);
if (onItemTouchCallbackListener != null) {
if (onItemTouchCallbackListener.itemCanDrag(viewHolder.getAdapterPosition())) {
return makeMovementFlags(dragFlag, swipeFlag);
} else {
return 0;
}
} else {
return makeMovementFlags(dragFlag, swipeFlag);
}
}
return 0;
}
@ -586,6 +636,8 @@ public class HorizontalListNode extends SuperNode<RecyclerView> implements IDori
private interface OnItemTouchCallbackListener {
void onSwiped(int adapterPosition);
Boolean itemCanDrag(int fromPos);
void beforeMove(int fromPos);
boolean onMove(int srcPosition, int targetPosition);