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Code Activity

Changed the semantics of the ValueTree::Listener callbacks - listeners are now notified when a property or child is changed at any level inside the tree, including in child trees.

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This commit is contained in:
Julian Storer 2010-01-17 21:22:25 +00:00
parent cff178cfaa
commit 7381243506
2 changed files with 80 additions and 34 deletions
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70
src/containers/juce_ValueTree.cpp
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@ -70,7 +70,7 @@ public:
int getSizeInUnits()
{
return 32; //xxx should be more accurate
return (int) sizeof (*this); //xxx should be more accurate
}
private:
@ -122,7 +122,7 @@ public:
int getSizeInUnits()
{
return 32; //xxx should be more accurate
return (int) sizeof (*this); //xxx should be more accurate
}
private:
@ -174,64 +174,84 @@ ValueTree::SharedObject::Property::Property (const var::identifier& name_, const
}
//==============================================================================
void ValueTree::deliverPropertyChangeMessage (const var::identifier& property)
void ValueTree::deliverPropertyChangeMessage (ValueTree& tree, const var::identifier& property)
{
ValueTree v (object);
for (int i = listeners.size(); --i >= 0;)
{
ValueTree::Listener* const l = listeners[i];
if (l != 0)
l->valueTreePropertyChanged (v, property);
l->valueTreePropertyChanged (tree, property);
}
}
void ValueTree::SharedObject::sendPropertyChangeMessage (ValueTree& tree, const var::identifier& property)
{
for (int i = valueTreesWithListeners.size(); --i >= 0;)
{
ValueTree* const v = valueTreesWithListeners[i];
if (v != 0)
v->deliverPropertyChangeMessage (tree, property);
}
}
void ValueTree::SharedObject::sendPropertyChangeMessage (const var::identifier& property)
{
for (int i = valueTreesWithListeners.size(); --i >= 0;)
ValueTree tree (this);
ValueTree::SharedObject* t = this;
while (t != 0)
{
ValueTree* const v = valueTreesWithListeners[i];
if (v != 0)
v->deliverPropertyChangeMessage (property);
t->sendPropertyChangeMessage (tree, property);
t = t->parent;
}
}
void ValueTree::deliverChildChangeMessage()
void ValueTree::deliverChildChangeMessage (ValueTree& tree)
{
ValueTree v (object);
for (int i = listeners.size(); --i >= 0;)
{
ValueTree::Listener* const l = listeners[i];
if (l != 0)
l->valueTreeChildrenChanged (v);
l->valueTreeChildrenChanged (tree);
}
}
void ValueTree::SharedObject::sendChildChangeMessage (ValueTree& tree)
{
for (int i = valueTreesWithListeners.size(); --i >= 0;)
{
ValueTree* const v = valueTreesWithListeners[i];
if (v != 0)
v->deliverChildChangeMessage (tree);
}
}
void ValueTree::SharedObject::sendChildChangeMessage()
{
for (int i = valueTreesWithListeners.size(); --i >= 0;)
ValueTree tree (this);
ValueTree::SharedObject* t = this;
while (t != 0)
{
ValueTree* const v = valueTreesWithListeners[i];
if (v != 0)
v->deliverChildChangeMessage();
t->sendChildChangeMessage (tree);
t = t->parent;
}
}
void ValueTree::deliverParentChangeMessage()
void ValueTree::deliverParentChangeMessage (ValueTree& tree)
{
ValueTree v (object);
for (int i = listeners.size(); --i >= 0;)
{
ValueTree::Listener* const l = listeners[i];
if (l != 0)
l->valueTreeParentChanged (v);
l->valueTreeParentChanged (tree);
}
}
void ValueTree::SharedObject::sendParentChangeMessage()
{
ValueTree tree (this);
int i;
for (i = children.size(); --i >= 0;)
{
@ -244,7 +264,7 @@ void ValueTree::SharedObject::sendParentChangeMessage()
{
ValueTree* const v = valueTreesWithListeners[i];
if (v != 0)
v->deliverParentChangeMessage();
v->deliverParentChangeMessage (tree);
}
}
@ -590,9 +610,9 @@ public:
tree.setProperty (property, newValue, undoManager);
}
void valueTreePropertyChanged (ValueTree& tree, const var::identifier& changedProperty)
void valueTreePropertyChanged (ValueTree& treeWhosePropertyHasChanged, const var::identifier& changedProperty)
{
if (property == changedProperty)
if (tree == treeWhosePropertyHasChanged && property == changedProperty)
sendChangeMessage (false);
}