зеркало из https://github.com/mozilla/gecko-dev.git
Changing selection in the tree.
This commit is contained in:
hyatt%netscape.com
Родитель
8ef606dbd7
Коммит
d6fb7c48ab
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@ -163,10 +163,10 @@ nsTreeCellFrame::HandleEvent(nsIPresContext& aPresContext,
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if(nsEventStatus_eConsumeNoDefault != aEventStatus) {
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aEventStatus = nsEventStatus_eConsumeDoDefault;
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if (aEvent->message == NS_MOUSE_LEFT_BUTTON_DOWN)
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HandleMouseDownEvent(aPresContext, aEvent, aEventStatus);
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else if (aEvent->message == NS_MOUSE_LEFT_DOUBLECLICK)
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HandleDoubleClickEvent(aPresContext, aEvent, aEventStatus);
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if (aEvent->message == NS_MOUSE_LEFT_BUTTON_DOWN)
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HandleMouseDownEvent(aPresContext, aEvent, aEventStatus);
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else if (aEvent->message == NS_MOUSE_LEFT_DOUBLECLICK)
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HandleDoubleClickEvent(aPresContext, aEvent, aEventStatus);
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}
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return NS_OK;
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@ -184,11 +184,11 @@ nsTreeCellFrame::HandleMouseDownEvent(nsIPresContext& aPresContext,
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else
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{
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// Perform a selection
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if (((nsMouseEvent *)aEvent)->isShift)
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mTreeFrame->RangedSelection(aPresContext, this); // Applying a ranged selection.
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else if (((nsMouseEvent *)aEvent)->isControl)
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mTreeFrame->ToggleSelection(aPresContext, this); // Applying a toggle selection.
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else mTreeFrame->SetSelection(aPresContext, this); // Doing a single selection only.
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if (((nsMouseEvent *)aEvent)->isShift)
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mTreeFrame->RangedSelection(aPresContext, this); // Applying a ranged selection.
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else if (((nsMouseEvent *)aEvent)->isControl)
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mTreeFrame->ToggleSelection(aPresContext, this); // Applying a toggle selection.
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else mTreeFrame->SetSelection(aPresContext, this); // Doing a single selection only.
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}
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return NS_OK;
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}
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@ -201,53 +201,52 @@ nsTreeCellFrame::HandleDoubleClickEvent(nsIPresContext& aPresContext,
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if (!mIsHeader)
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{
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// Perform an expand/collapse
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// Iterate up the chain to the row and then to the item.
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nsCOMPtr<nsIContent> pTreeItemContent;
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mContent->GetParent(*getter_AddRefs(pTreeItemContent));
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// Iterate up the chain to the row and then to the item.
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nsCOMPtr<nsIContent> pTreeItemContent;
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mContent->GetParent(*getter_AddRefs(pTreeItemContent));
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// Take the tree item content and toggle the value of its open attribute.
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nsString attrValue;
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// Take the tree item content and toggle the value of its open attribute.
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nsString attrValue;
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nsCOMPtr<nsIAtom> kOpenAtom ( dont_AddRef(NS_NewAtom("open")) );
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nsresult result = pTreeItemContent->GetAttribute(nsXULAtoms::nameSpaceID, kOpenAtom, attrValue);
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attrValue.ToLowerCase();
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PRBool isExpanded = (result == NS_CONTENT_ATTR_NO_VALUE ||
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(result == NS_CONTENT_ATTR_HAS_VALUE && attrValue=="true"));
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if (isExpanded)
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{
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// We're collapsing and need to remove frames from the flow.
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pTreeItemContent->UnsetAttribute(nsXULAtoms::nameSpaceID, kOpenAtom, PR_FALSE);
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}
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else
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{
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// We're expanding and need to add frames to the flow.
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pTreeItemContent->SetAttribute(nsXULAtoms::nameSpaceID, kOpenAtom, "true", PR_FALSE);
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}
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{
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// We're collapsing and need to remove frames from the flow.
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pTreeItemContent->UnsetAttribute(nsXULAtoms::nameSpaceID, kOpenAtom, PR_FALSE);
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}
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else
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{
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// We're expanding and need to add frames to the flow.
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pTreeItemContent->SetAttribute(nsXULAtoms::nameSpaceID, kOpenAtom, "true", PR_FALSE);
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}
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// Ok, try out the hack of doing frame reconstruction
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nsCOMPtr<nsIPresShell> pShell;
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aPresContext.GetShell(getter_AddRefs(pShell));
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nsCOMPtr<nsIStyleSet> pStyleSet;
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pShell->GetStyleSet(getter_AddRefs(pStyleSet));
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nsCOMPtr<nsIDocument> pDocument;
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pShell->GetDocument(getter_AddRefs(pDocument));
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nsCOMPtr<nsIContent> pRoot ( dont_AddRef(pDocument->GetRootContent()) );
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// Ok, try out the hack of doing frame reconstruction
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nsCOMPtr<nsIPresShell> pShell;
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aPresContext.GetShell(getter_AddRefs(pShell));
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nsCOMPtr<nsIStyleSet> pStyleSet;
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pShell->GetStyleSet(getter_AddRefs(pStyleSet));
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nsCOMPtr<nsIDocument> pDocument;
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pShell->GetDocument(getter_AddRefs(pDocument));
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nsCOMPtr<nsIContent> pRoot ( dont_AddRef(pDocument->GetRootContent()) );
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if (pRoot) {
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nsIFrame* docElementFrame;
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nsIFrame* parentFrame;
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if (pRoot) {
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nsIFrame* docElementFrame;
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nsIFrame* parentFrame;
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// Get the frame that corresponds to the document element
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pShell->GetPrimaryFrameFor(pRoot, &docElementFrame);
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if (nsnull != docElementFrame) {
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docElementFrame->GetParent(&parentFrame);
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// Get the frame that corresponds to the document element
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pShell->GetPrimaryFrameFor(pRoot, &docElementFrame);
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if (nsnull != docElementFrame) {
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docElementFrame->GetParent(&parentFrame);
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pShell->EnterReflowLock();
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pStyleSet->ReconstructFrames(&aPresContext, pRoot,
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parentFrame, docElementFrame);
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pShell->ExitReflowLock();
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}
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pShell->EnterReflowLock();
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pStyleSet->ReconstructFrames(&aPresContext, pRoot,
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parentFrame, docElementFrame);
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pShell->ExitReflowLock();
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}
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}
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}
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return NS_OK;
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}
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@ -256,17 +255,24 @@ nsTreeCellFrame::HandleDoubleClickEvent(nsIPresContext& aPresContext,
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void
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nsTreeCellFrame::Select(nsIPresContext& aPresContext, PRBool isSelected, PRBool notifyForReflow)
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{
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nsCOMPtr<nsIAtom> kSelectedAtom ( dont_AddRef(NS_NewAtom("selected")) );
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if (isSelected)
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nsCOMPtr<nsIAtom> kSelectedCellAtom(dont_AddRef(NS_NewAtom("selectedcell")));
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nsCOMPtr<nsIAtom> kSelectedAtom(dont_AddRef(NS_NewAtom("selected")));
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nsIContent* pParentContent;
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mContent->GetParent(pParentContent);
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if (isSelected)
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{
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// We're selecting the node.
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mContent->SetAttribute(nsXULAtoms::nameSpaceID, kSelectedAtom, "true", notifyForReflow);
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mContent->SetAttribute(nsXULAtoms::nameSpaceID, kSelectedCellAtom, "true", notifyForReflow);
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pParentContent->SetAttribute(nsXULAtoms::nameSpaceID, kSelectedAtom, "true", notifyForReflow);
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}
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else
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{
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// We're unselecting the node.
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mContent->UnsetAttribute(nsXULAtoms::nameSpaceID, kSelectedAtom, notifyForReflow);
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// We're deselecting the node.
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mContent->UnsetAttribute(nsXULAtoms::nameSpaceID, kSelectedCellAtom, notifyForReflow);
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pParentContent->UnsetAttribute(nsXULAtoms::nameSpaceID, kSelectedAtom, notifyForReflow);
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}
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NS_IF_RELEASE(pParentContent);
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}
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