public void BindModel(Block block)
{
if (mBlock == block)
{
return;
}
if (mBlock != null)
{
UnBindModel();
}
mBlock = block;
BlocklyUI.WorkspaceView.AddBlockView(this);
mBlockObserver = new MemorySafeBlockObserver(this);
mBlock.AddObserver(mBlockObserver);
//bind input and connections
int inputIndex = 0;
foreach (BaseView view in Childs)
{
if (view.Type == ViewType.Connection)
{
ConnectionView conView = view as ConnectionView;
conView.BindModel(mBlock.GetFirstClassConnection(conView.ConnectionType));
}
else if (view.Type == ViewType.LineGroup)
{
LineGroupView groupView = view as LineGroupView;
foreach (var inputView in groupView.Childs)
{
((InputView)inputView).BindModel(mBlock.InputList[inputIndex]);
inputIndex++;
}
}
}
RegisterUIEvents();
foreach (Transform child in transform)
{
if (child.name.ToLower().StartsWith("block_count"))
{
SetCountText(child.GetComponentInChildren <Text>());
}
}
}
/// <summary>
/// INPUT_VALUE: mTargetBlockView
/// NEXT_STATEMENT: the last block view of the target statement block views chain
/// </summary>
public BlockView GetChildLastBlockView()
{
if (ConnectionType == Define.EConnection.InputValue)
{
return(mTargetBlockView);
}
BlockView nextView = mTargetBlockView;
while (nextView != null)
{
ConnectionView nextCon = nextView.GetConnectionView(Define.EConnection.NextStatement);
if (nextCon == null)
{
break;
}
nextView = nextCon.TargetBlockView;
}
return(nextView);
}
/// <summary>
/// Get the connection view of connectionType
/// output, previous, next connection
/// </summary>
public ConnectionView GetConnectionView(Define.EConnection connectionType)
{
int i = 0;
while (i < Childs.Count)
{
ConnectionView view = Childs[i] as ConnectionView;
if (view == null)
{
break;
}
if (view.ConnectionType == connectionType)
{
return(view);
}
i++;
}
//Debug.LogFormat("<color=red>Can't find the {0} connection view in block view of {1}.</color>", connectionType, BlockType);
return(null);
}
public void BindModel(Block block)
{
if (mBlock == block)
{
return;
}
if (mBlock != null)
{
UnBindModel();
}
mBlock = block;
BlocklyUI.WorkspaceView.AddBlockView(this);
mBlockObserver = new MemorySafeBlockObserver(this);
mBlock.AddObserver(mBlockObserver);
//bind input and connections
int inputIndex = 0;
foreach (BaseView view in Childs)
{
if (view.Type == ViewType.Connection)
{
ConnectionView conView = view as ConnectionView;
conView.BindModel(mBlock.GetFirstClassConnection(conView.ConnectionType));
}
else if (view.Type == ViewType.LineGroup)
{
LineGroupView groupView = view as LineGroupView;
foreach (var inputView in groupView.Childs)
{
((InputView)inputView).BindModel(mBlock.InputList[inputIndex]);
inputIndex++;
}
}
}
RegisterUIEvents();
}
public MemorySafeConnectionObserver(ConnectionView viewRef)
{
mViewRef = viewRef;
}
protected override Vector2 CalculateSize()
{
switch (m_ConnectionInputViewType)
{
case ConnectionInputViewType.Value:
{
//width is not concerned
Vector2 size = new Vector2(BlockViewSettings.Get().ValueConnectPointRect.width, 0);
if (mTargetBlockView == null)
{
size.y = BlockViewSettings.Get().ContentHeight;
}
else
{
size.y = mTargetBlockView.Height;
}
return(size);
}
case ConnectionInputViewType.ValueSlot:
{
if (mTargetBlockView == null)
{
return(new Vector2(BlockViewSettings.Get().MinUnitWidth, BlockViewSettings.Get().ContentHeight));
}
Vector2 size = new Vector2(BlockViewSettings.Get().ValueConnectPointRect.width + mTargetBlockView.Width, mTargetBlockView.Height);
return(size);
}
case ConnectionInputViewType.Statement:
{
if (mTargetBlockView == null)
{
return(new Vector2(70, BlockViewSettings.Get().ContentHeight + BlockViewSettings.Get().ContentMargin.bottom));
}
// calculate the height by adding all child statement blocks' height
Vector2 size = new Vector2(70, 0);
bool addConnectPointSpace = true;
BlockView nextView = mTargetBlockView;
while (nextView != null)
{
size.y += nextView.Height;
ConnectionView nextCon = nextView.GetConnectionView(Define.EConnection.NextStatement);
if (nextCon == null)
{
addConnectPointSpace = false;
break;
}
nextView = nextCon.TargetBlockView;
}
if (addConnectPointSpace)
{
size.y += BlockViewSettings.Get().StatementConnectPointRect.height;
}
size.y += BlockViewSettings.Get().ContentMargin.bottom;
return(size);
}
}
return(Vector2.zero);
}
public static GameObject BuildBlockView(Block block)
{
GameObject blockPrefab = BlockViewSettings.Get().PrefabRoot;
if (block.OutputConnection != null)
{
blockPrefab = BlockViewSettings.Get().PrefabRootOutput;
}
else if (block.PreviousConnection != null && block.NextConnection != null)
{
blockPrefab = BlockViewSettings.Get().PrefabRootPrevNext;
}
else if (block.PreviousConnection != null)
{
blockPrefab = BlockViewSettings.Get().PrefabRootPrev;
}
GameObject blockObj = GameObject.Instantiate(blockPrefab);
blockObj.name = "Block_" + block.Type;
RectTransform blockTrans = blockObj.GetComponent <RectTransform>();
UniformRectTransform(blockTrans);
//blockview script
BlockView blockView = AddViewComponent <BlockView>(blockObj);
//block view's background image
blockView.AddBgImage(blockObj.GetComponent <Image>());
//block view's childs: connection, lineGroup
Transform mutatorEntry = null;
foreach (Transform child in blockTrans)
{
string childName = child.name.ToLower();
if (childName.StartsWith("connection"))
{
//connection node views
ConnectionView conView = AddViewComponent <ConnectionView>(child.gameObject);
blockView.AddChild(conView, 0);
if (childName.EndsWith("output"))
{
conView.ConnectionType = Define.EConnection.OutputValue;
}
else if (childName.EndsWith("prev"))
{
conView.ConnectionType = Define.EConnection.PrevStatement;
}
else if (childName.EndsWith("next"))
{
conView.ConnectionType = Define.EConnection.NextStatement;
}
//connection node view background color
Image image = child.GetComponent <Image>();
if (image != null)
{
blockView.AddBgImage(image);
}
}
else if (childName.Equals("linegroup"))
{
UniformRectTransform(child as RectTransform);
//lineGroup view
LineGroupView groupView = AddViewComponent <LineGroupView>(child.gameObject);
blockView.AddChild(groupView);
}
else if (childName.Equals("mutator_entry"))
{
mutatorEntry = child;
}
else if (childName.StartsWith("block_count"))
{
blockView.SetCountText(child.GetComponentInChildren <Text>());
}
}
//check if has mutator entry
if (mutatorEntry == null)
{
throw new Exception("There should be a mutator_entry image under block view prefab");
}
if (block.Mutator == null || !block.Mutator.NeedEditor)
{
GameObject.DestroyImmediate(mutatorEntry.gameObject);
}
else
{
blockView.GetLineGroup(0).ReservedStartX = ((RectTransform)mutatorEntry).rect.width + BlockViewSettings.Get().ContentSpace.x;
}
//block view's input views, including field's views
BuildInputViews(block, blockView);
//block view's layout, build from the very first field
blockView.BuildLayout();
//default background color
blockView.ChangeBgColor(Color.blue);
return(blockObj);
}
/// <summary>
/// update layout of this view and all views effected
/// </summary>
public void UpdateLayout(Vector2 startPos)
{
Vector2 newSize = CalculateSize();
bool changePos = XY != startPos;
bool changeSize = Size != newSize;
if (changePos)
{
XY = startPos;
}
if (changeSize)
{
Size = newSize;
}
switch (Type)
{
case ViewType.Field:
case ViewType.Input:
case ViewType.ConnectionInput:
case ViewType.LineGroup:
{
if (m_Next == null /*|| (!changePos && !changeSize)*/)
{
//reach the last child, or no change in current hierarchy, update it's parent view
m_Parent.UpdateLayout(m_Parent.SiblingIndex == 0 ? m_Parent.HeaderXY : m_Parent.XY);
}
else
{
//update next
if (Type != ViewType.LineGroup)
{
// same line
startPos.x += Size.x + BlockViewSettings.Get().ContentSpace.x;
}
else
{
// start a new line
startPos.y -= Size.y + BlockViewSettings.Get().ContentSpace.y;
}
BaseView topmostChild = m_Next.GetTopmostChild();
if (topmostChild != m_Next)
{
//need to update from its topmost child
m_Next.XY = startPos;
topmostChild.UpdateLayout(topmostChild.HeaderXY);
}
else
{
m_Next.UpdateLayout(startPos);
}
}
// update connection location in ConnectionDB
if (Type == ViewType.ConnectionInput)
{
ConnectionView connectionView = (ConnectionView)this;
if (connectionView != null)
{
connectionView.OnXYUpdated();
}
}
break;
}
case ViewType.Connection:
case ViewType.Block:
{
//no need to update its m_Next, as it is handled by Unity's Transform autolayout
//update its parent directly
if (m_Parent != null)
{
m_Parent.UpdateLayout(m_Parent.SiblingIndex == 0 ? m_Parent.HeaderXY : m_Parent.XY);
}
// update connection location in ConnectionDB
if (Type == ViewType.Block)
{
BlockView blockView = (BlockView)this;
if (blockView != null)
{
foreach (var view in blockView.Childs)
{
if (view.Type == ViewType.Connection)
{
view.OnXYUpdated();
}
}
}
}
break;
}
}
}
