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Android: update flowlayout beforeDragging & add itemCanDrag

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王劲鹏
2022-08-26 14:38:20 +08:00
committed by osborn
parent fd9a9e1eed
commit 6236429e25
1 changed files with 56 additions and 2 deletions
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58
doric-android/doric/src/main/java/pub/doric/shader/flowlayout/FlowLayoutNode.java
View File

@@ -30,6 +30,7 @@ import androidx.recyclerview.widget.LinearSmoothScroller;
import androidx.recyclerview.widget.RecyclerView;
import androidx.recyclerview.widget.StaggeredGridLayoutManager;
import com.github.pengfeizhou.jscore.ArchiveException;
import com.github.pengfeizhou.jscore.JSDecoder;
import com.github.pengfeizhou.jscore.JSONBuilder;
import com.github.pengfeizhou.jscore.JSObject;
@@ -119,6 +120,7 @@ public class FlowLayoutNode extends SuperNode<RecyclerView> implements IDoricScr
private final DoricJSDispatcher jsDispatcher = new DoricJSDispatcher();
private int itemCount = 0;
private boolean scrollable = true;
private final Set<Integer> swapDisabled = new HashSet<>();
private final DoricItemTouchHelperCallback doricItemTouchHelperCallback = new DoricItemTouchHelperCallback(
new OnItemTouchCallbackListener() {
@@ -127,15 +129,46 @@ public class FlowLayoutNode extends SuperNode<RecyclerView> implements IDoricScr
}
@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 = flowAdapter.itemValues.valueAt(srcPosition);
String targetValue = flowAdapter.itemValues.valueAt(targetPosition);
flowAdapter.itemValues.setValueAt(srcPosition, targetValue);
@@ -156,6 +189,7 @@ public class FlowLayoutNode extends SuperNode<RecyclerView> implements IDoricScr
}
);
private String itemCanDragFuncId;
private String beforeDraggingFuncId;
private String onDraggingFuncId;
private String onDraggedFuncId;
@@ -275,6 +309,12 @@ public class FlowLayoutNode extends SuperNode<RecyclerView> implements IDoricScr
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;
@@ -322,6 +362,7 @@ public class FlowLayoutNode extends SuperNode<RecyclerView> implements IDoricScr
if (jsObject.propertySet().size() > 1 || !jsObject.propertySet().contains("subviews")) {
if (mView != null) {
mView.post(new Runnable() {
@SuppressLint("NotifyDataSetChanged")
@Override
public void run() {
flowAdapter.loadMore = loadMore;
@@ -494,6 +535,7 @@ public class FlowLayoutNode extends SuperNode<RecyclerView> implements IDoricScr
onScrollFuncId = null;
onScrollEndFuncId = null;
flowAdapter.renderItemFuncId = null;
itemCanDragFuncId = null;
beforeDraggingFuncId = null;
onDraggingFuncId = null;
onDraggedFuncId = null;
@@ -557,7 +599,17 @@ public class FlowLayoutNode extends SuperNode<RecyclerView> implements IDoricScr
int dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN |
ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT;
int swipeFlags = ItemTouchHelper.START | ItemTouchHelper.END;
return makeMovementFlags(dragFlags, swipeFlags);
if (onItemTouchCallbackListener != null) {
if (onItemTouchCallbackListener.itemCanDrag(viewHolder.getAdapterPosition())) {
return makeMovementFlags(dragFlags, swipeFlags);
} else {
return 0;
}
} else {
return makeMovementFlags(dragFlags, swipeFlags);
}
}
@Override
@@ -603,6 +655,8 @@ public class FlowLayoutNode extends SuperNode<RecyclerView> implements IDoricScr
private interface OnItemTouchCallbackListener {
void onSwiped(int adapterPosition);
Boolean itemCanDrag(int fromPos);
void beforeMove(int fromPos);
boolean onMove(int srcPosition, int targetPosition);