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JUCE/extras/Projucer/Source/Project/jucer_ProjectTree_Base.h

426 lines
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C++

/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2015 - ROLI Ltd.
Permission is granted to use this software under the terms of either:
a) the GPL v2 (or any later version)
b) the Affero GPL v3
Details of these licenses can be found at: www.gnu.org/licenses
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
------------------------------------------------------------------------------
To release a closed-source product which uses JUCE, commercial licenses are
available: visit www.juce.com for more information.
==============================================================================
*/
class ProjectTreeItemBase : public JucerTreeViewBase,
public ValueTree::Listener
{
public:
ProjectTreeItemBase (const Project::Item& projectItem)
: item (projectItem), isFileMissing (false)
{
item.state.addListener (this);
}
~ProjectTreeItemBase()
{
item.state.removeListener (this);
}
//==============================================================================
virtual bool acceptsFileDrop (const StringArray& files) const = 0;
virtual bool acceptsDragItems (const OwnedArray<Project::Item>& selectedNodes) = 0;
//==============================================================================
String getDisplayName() const override { return item.getName(); }
String getRenamingName() const override { return getDisplayName(); }
void setName (const String& newName) override
{
if (item.isMainGroup())
item.project.setTitle (newName);
else
item.getNameValue() = newName;
}
bool isMissing() override { return isFileMissing; }
virtual File getFile() const { return item.getFile(); }
void deleteItem() override { item.removeItemFromProject(); }
virtual void deleteAllSelectedItems() override
{
TreeView* tree = getOwnerView();
const int numSelected = tree->getNumSelectedItems();
OwnedArray<File> filesToTrash;
OwnedArray<Project::Item> itemsToRemove;
for (int i = 0; i < numSelected; ++i)
{
if (const ProjectTreeItemBase* const p = dynamic_cast<ProjectTreeItemBase*> (tree->getSelectedItem (i)))
{
itemsToRemove.add (new Project::Item (p->item));
if (p->getFile().existsAsFile())
filesToTrash.add (new File (p->getFile()));
}
}
if (filesToTrash.size() > 0)
{
String fileList;
const int maxFilesToList = 10;
for (int i = jmin (maxFilesToList, filesToTrash.size()); --i >= 0;)
fileList << filesToTrash.getUnchecked(i)->getFullPathName() << "\n";
if (filesToTrash.size() > maxFilesToList)
fileList << "\n...plus " << (filesToTrash.size() - maxFilesToList) << " more files...";
int r = AlertWindow::showYesNoCancelBox (AlertWindow::NoIcon, "Delete Project Items",
"As well as removing the selected item(s) from the project, do you also want to move their files to the trash:\n\n"
+ fileList,
"Just remove references",
"Also move files to Trash",
"Cancel",
tree->getTopLevelComponent());
if (r == 0)
return;
if (r != 2)
filesToTrash.clear();
}
if (ProjectTreeItemBase* treeRootItem = dynamic_cast<ProjectTreeItemBase*> (tree->getRootItem()))
{
OpenDocumentManager& om = ProjucerApplication::getApp().openDocumentManager;
for (int i = filesToTrash.size(); --i >= 0;)
{
const File f (*filesToTrash.getUnchecked(i));
om.closeFile (f, false);
if (! f.moveToTrash())
{
// xxx
}
}
for (int i = itemsToRemove.size(); --i >= 0;)
{
if (ProjectTreeItemBase* itemToRemove = treeRootItem->findTreeViewItem (*itemsToRemove.getUnchecked(i)))
{
om.closeFile (itemToRemove->getFile(), false);
itemToRemove->deleteItem();
}
}
}
else
{
jassertfalse;
}
}
virtual void revealInFinder() const
{
getFile().revealToUser();
}
virtual void browseToAddExistingFiles()
{
const File location (item.isGroup() ? item.determineGroupFolder() : getFile());
FileChooser fc ("Add Files to Jucer Project", location, String(), false);
if (fc.browseForMultipleFilesOrDirectories())
{
StringArray files;
for (int i = 0; i < fc.getResults().size(); ++i)
files.add (fc.getResults().getReference(i).getFullPathName());
addFilesRetainingSortOrder (files);
}
}
virtual void checkFileStatus() // (recursive)
{
const File file (getFile());
const bool nowMissing = file != File() && ! file.exists();
if (nowMissing != isFileMissing)
{
isFileMissing = nowMissing;
repaintItem();
}
}
virtual void addFilesAtIndex (const StringArray& files, int insertIndex)
{
if (ProjectTreeItemBase* p = getParentProjectItem())
p->addFilesAtIndex (files, insertIndex);
}
virtual void addFilesRetainingSortOrder (const StringArray& files)
{
if (ProjectTreeItemBase* p = getParentProjectItem())
p->addFilesRetainingSortOrder (files);
}
virtual void moveSelectedItemsTo (OwnedArray <Project::Item>&, int /*insertIndex*/)
{
jassertfalse;
}
void showMultiSelectionPopupMenu() override
{
PopupMenu m;
m.addItem (1, "Delete");
m.showMenuAsync (PopupMenu::Options(),
ModalCallbackFunction::create (treeViewMultiSelectItemChosen, this));
}
static void treeViewMultiSelectItemChosen (int resultCode, ProjectTreeItemBase* item)
{
switch (resultCode)
{
case 1: item->deleteAllSelectedItems(); break;
default: break;
}
}
virtual ProjectTreeItemBase* findTreeViewItem (const Project::Item& itemToFind)
{
if (item == itemToFind)
return this;
const bool wasOpen = isOpen();
setOpen (true);
for (int i = getNumSubItems(); --i >= 0;)
{
if (ProjectTreeItemBase* pg = dynamic_cast<ProjectTreeItemBase*> (getSubItem(i)))
if (ProjectTreeItemBase* found = pg->findTreeViewItem (itemToFind))
return found;
}
setOpen (wasOpen);
return nullptr;
}
//==============================================================================
void valueTreePropertyChanged (ValueTree& tree, const Identifier&) override
{
if (tree == item.state)
repaintItem();
}
void valueTreeChildAdded (ValueTree& parentTree, ValueTree&) override { treeChildrenChanged (parentTree); }
void valueTreeChildRemoved (ValueTree& parentTree, ValueTree&, int) override { treeChildrenChanged (parentTree); }
void valueTreeChildOrderChanged (ValueTree& parentTree, int, int) override { treeChildrenChanged (parentTree); }
void valueTreeParentChanged (ValueTree&) override {}
//==============================================================================
bool mightContainSubItems() override { return item.getNumChildren() > 0; }
String getUniqueName() const override { jassert (item.getID().isNotEmpty()); return item.getID(); }
bool canBeSelected() const override { return true; }
String getTooltip() override { return {}; }
File getDraggableFile() const override { return getFile(); }
var getDragSourceDescription() override
{
cancelDelayedSelectionTimer();
return projectItemDragType;
}
void addSubItems() override
{
for (int i = 0; i < item.getNumChildren(); ++i)
if (ProjectTreeItemBase* p = createSubItem (item.getChild(i)))
addSubItem (p);
}
void itemOpennessChanged (bool isNowOpen) override
{
if (isNowOpen)
refreshSubItems();
}
//==============================================================================
bool isInterestedInFileDrag (const StringArray& files) override
{
return acceptsFileDrop (files);
}
void filesDropped (const StringArray& files, int insertIndex) override
{
if (files.size() == 1 && File (files[0]).hasFileExtension (Project::projectFileExtension))
ProjucerApplication::getApp().openFile (files[0]);
else
addFilesAtIndex (files, insertIndex);
}
bool isInterestedInDragSource (const DragAndDropTarget::SourceDetails& dragSourceDetails) override
{
OwnedArray<Project::Item> selectedNodes;
getSelectedProjectItemsBeingDragged (dragSourceDetails, selectedNodes);
return selectedNodes.size() > 0 && acceptsDragItems (selectedNodes);
}
void itemDropped (const DragAndDropTarget::SourceDetails& dragSourceDetails, int insertIndex) override
{
OwnedArray<Project::Item> selectedNodes;
getSelectedProjectItemsBeingDragged (dragSourceDetails, selectedNodes);
if (selectedNodes.size() > 0)
{
TreeView* tree = getOwnerView();
ScopedPointer<XmlElement> oldOpenness (tree->getOpennessState (false));
moveSelectedItemsTo (selectedNodes, insertIndex);
if (oldOpenness != nullptr)
tree->restoreOpennessState (*oldOpenness, false);
}
}
int getMillisecsAllowedForDragGesture() override
{
// for images, give the user longer to start dragging before assuming they're
// clicking to select it for previewing..
return item.isImageFile() ? 250 : JucerTreeViewBase::getMillisecsAllowedForDragGesture();
}
static void getSelectedProjectItemsBeingDragged (const DragAndDropTarget::SourceDetails& dragSourceDetails,
OwnedArray<Project::Item>& selectedNodes)
{
if (dragSourceDetails.description == projectItemDragType)
{
TreeView* tree = dynamic_cast<TreeView*> (dragSourceDetails.sourceComponent.get());
if (tree == nullptr)
tree = dragSourceDetails.sourceComponent->findParentComponentOfClass<TreeView>();
if (tree != nullptr)
{
const int numSelected = tree->getNumSelectedItems();
for (int i = 0; i < numSelected; ++i)
if (const ProjectTreeItemBase* const p = dynamic_cast<ProjectTreeItemBase*> (tree->getSelectedItem (i)))
selectedNodes.add (new Project::Item (p->item));
}
}
}
ProjectTreeItemBase* getParentProjectItem() const
{
return dynamic_cast<ProjectTreeItemBase*> (getParentItem());
}
//==============================================================================
Project::Item item;
protected:
bool isFileMissing;
virtual ProjectTreeItemBase* createSubItem (const Project::Item& node) = 0;
Icon getIcon() const override { return item.getIcon().withContrastingColourTo (getBackgroundColour()); }
bool isIconCrossedOut() const override { return item.isIconCrossedOut(); }
void treeChildrenChanged (const ValueTree& parentTree)
{
if (parentTree == item.state)
{
refreshSubItems();
treeHasChanged();
setOpen (true);
}
}
void triggerAsyncRename (const Project::Item& itemToRename)
{
struct RenameMessage : public CallbackMessage
{
RenameMessage (TreeView* const t, const Project::Item& i)
: tree (t), itemToRename (i) {}
void messageCallback() override
{
if (tree != nullptr)
if (ProjectTreeItemBase* root = dynamic_cast<ProjectTreeItemBase*> (tree->getRootItem()))
if (ProjectTreeItemBase* found = root->findTreeViewItem (itemToRename))
found->showRenameBox();
}
private:
Component::SafePointer<TreeView> tree;
Project::Item itemToRename;
};
(new RenameMessage (getOwnerView(), itemToRename))->post();
}
static void moveItems (OwnedArray<Project::Item>& selectedNodes, Project::Item destNode, int insertIndex)
{
for (int i = selectedNodes.size(); --i >= 0;)
{
Project::Item* const n = selectedNodes.getUnchecked(i);
if (destNode == *n || destNode.state.isAChildOf (n->state)) // Check for recursion.
return;
if (! destNode.canContain (*n))
selectedNodes.remove (i);
}
// Don't include any nodes that are children of other selected nodes..
for (int i = selectedNodes.size(); --i >= 0;)
{
Project::Item* const n = selectedNodes.getUnchecked(i);
for (int j = selectedNodes.size(); --j >= 0;)
{
if (j != i && n->state.isAChildOf (selectedNodes.getUnchecked(j)->state))
{
selectedNodes.remove (i);
break;
}
}
}
// Remove and re-insert them one at a time..
for (int i = 0; i < selectedNodes.size(); ++i)
{
Project::Item* selectedNode = selectedNodes.getUnchecked(i);
if (selectedNode->state.getParent() == destNode.state
&& indexOfNode (destNode.state, selectedNode->state) < insertIndex)
--insertIndex;
selectedNode->removeItemFromProject();
destNode.addChild (*selectedNode, insertIndex++);
}
}
static int indexOfNode (const ValueTree& parent, const ValueTree& child)
{
for (int i = parent.getNumChildren(); --i >= 0;)
if (parent.getChild (i) == child)
return i;
return -1;
}
};