зеркало из https://github.com/mozilla/pjs.git
sync to new attribute api
This commit is contained in:
peterl%netscape.com
Родитель
e75a76898d
Коммит
771b8f3e81
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@ -1,233 +0,0 @@
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nspr.h"
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#include "nsString.h"
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#include "nsFont.h"
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#include "nsHTTreeDataModel.h"
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#include "nsWidgetsCID.h"
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#include "nsDataModelWidget.h"
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#include "nsTreeColumn.h"
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#include "nsHTTreeItem.h"
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#include "nsIDeviceContext.h"
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#include "nsIDocument.h"
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#include "nsIContent.h"
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#include "nsVoidArray.h"
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#include "nsIDOMNode.h"
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static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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nsHTDataModel::nsHTDataModel()
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{
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mListener = nsnull;
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mImageGroup = nsnull;
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mContentRoot = nsnull;
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mDocument = nsnull;
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}
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//--------------------------------------------------------------------
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nsHTDataModel::~nsHTDataModel()
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{
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if (mImageGroup)
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{
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mImageGroup->Interrupt();
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NS_RELEASE(mImageGroup);
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}
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// TODO: Destroy visibility array
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}
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void nsHTDataModel::SetDataModelListenerDelegate(nsDataModelWidget* pWidget)
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{
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NS_IF_RELEASE(mImageGroup);
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mListener = pWidget;
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if (pWidget != nsnull && NS_NewImageGroup(&mImageGroup) == NS_OK)
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{
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nsIDeviceContext * deviceCtx = pWidget->GetDeviceContext();
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mImageGroup->Init(deviceCtx, nsnull);
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NS_RELEASE(deviceCtx);
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}
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}
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// Hierarchical Data Model Implementation ---------------------
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void nsHTDataModel::SetContentRootDelegate(nsIContent* pContent)
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{
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NS_IF_RELEASE(mDocument);
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NS_IF_RELEASE(mContentRoot);
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mContentRoot = pContent;
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pContent->GetDocument(mDocument); // I'm assuming this addrefs the document.
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NS_ADDREF(mContentRoot);
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// Destroy our old visibility list.
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// TODO
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// Reconstruct our visibility list (so that all items that are visible
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// are instantiated). Need to only look for folder and item children. All other children should be ignored.
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AddNodesToArray(mContentRoot, 0);
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}
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void nsHTDataModel::AddNodesToArray(nsIContent* pContent, PRUint32 indentLevel)
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{
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// Add this child to the array (unless it is the root node).
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nsHierarchicalDataItem* pDataItem = CreateDataItemWithContentNode(pContent);
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if (pContent != mContentRoot)
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{
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// Add to our array
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mVisibleItemArray.AppendElement(pDataItem);
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// Set the correct indent level for the item.
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pDataItem->SetIndentationLevel(indentLevel);
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indentLevel++;
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}
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else mRootNode = pDataItem;
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if (pContent == mContentRoot || pDataItem->IsExpanded())
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{
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nsHTItem* pItem = NS_STATIC_CAST(nsHTItem*, pDataItem->GetImplData());
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nsIContent* pChildrenNode = nsHTDataModel::FindChildWithName(pItem->GetContentNode(), "children");
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if (pChildrenNode)
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{
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PRInt32 numChildren = 0;
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pChildrenNode->ChildCount(numChildren);
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for (PRInt32 i = 0; i < numChildren; i++)
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{
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nsIContent* child = nsnull;
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pChildrenNode->ChildAt(i, child);
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if (child)
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{
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AddNodesToArray(child, indentLevel);
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}
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NS_IF_RELEASE(child);
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}
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}
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}
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}
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nsHierarchicalDataItem* nsHTDataModel::GetRootDelegate() const
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{
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return mRootNode;
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}
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PRUint32 nsHTDataModel::GetFirstVisibleItemIndexDelegate() const
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{
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return 0;
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}
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void nsHTDataModel::SetFirstVisibleItemIndexDelegate(PRUint32 n)
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{
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}
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nsHierarchicalDataItem* nsHTDataModel::GetNthItemDelegate(PRUint32 n) const
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{
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PRUint32 itemCount = (PRUint32)(mVisibleItemArray.Count());
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if (n < itemCount)
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return (nsHierarchicalDataItem*)(mVisibleItemArray[n]);
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else return nsnull;
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}
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void nsHTDataModel::SetSelectionDelegate(nsHierarchicalDataItem* pDataItem)
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{
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ClearSelectionDelegate(); // First clear our selection.
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ToggleSelectionDelegate(pDataItem); // Add this node to the selection.
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}
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void nsHTDataModel::ToggleSelectionDelegate(nsHierarchicalDataItem* pDataItem)
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{
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nsString attrValue;
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// Need to set the attribute's value.
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if (pDataItem->IsSelected())
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attrValue = "false";
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else attrValue = "true";
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// Set it and wait for the callback.
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nsHTItem* pItem = NS_STATIC_CAST(nsHTItem*, pDataItem->GetImplData());
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pItem->GetContentNode()->SetAttribute("selected", attrValue, PR_TRUE);
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// TODO: Remove this and put it in the callback instead.
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pItem->FinishSelectionChange();
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}
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void nsHTDataModel::RangedSelectionDelegate(PRUint32 n, PRUint32 count)
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{
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}
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void nsHTDataModel::ClearSelectionDelegate()
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{
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// Iterate over our array and clear the selection.
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PRInt32 count = mSelectedItemArray.Count();
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for (PRInt32 i = 0; i < count; i++)
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{
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nsHierarchicalDataItem* pItem = (nsHierarchicalDataItem*)mSelectedItemArray[0];
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ToggleSelectionDelegate(pItem);
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}
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}
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void nsHTDataModel::ImageLoaded(nsHierarchicalDataItem* pItem)
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{
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if (mListener)
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{
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// Send it on along. Let the view know what happened.
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mListener->HandleDataModelEvent(cDMImageLoaded, pItem);
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}
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}
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// Static Helper functions
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void nsHTDataModel::GetChildTextForNode(nsIContent* pChildNode, nsString& text)
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{
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nsIContent* pChild;
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pChildNode->ChildAt(0, pChild);
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nsIDOMNode* pTextChild = nsnull;
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static NS_DEFINE_IID(kIDOMNodeIID, NS_IDOMNODE_IID);
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if (NS_SUCCEEDED(pChild->QueryInterface(kIDOMNodeIID, (void**)&pTextChild)))
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{
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pTextChild->GetNodeValue(text);
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NS_IF_RELEASE(pTextChild);
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}
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else text = "null";
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NS_IF_RELEASE(pChild);
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}
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nsIContent* nsHTDataModel::FindChildWithName(nsIContent* pNode, const nsString& name)
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{
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PRInt32 count;
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pNode->ChildCount(count);
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for (PRInt32 i = 0; i < count; i++)
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{
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nsIAtom* pAtom = nsnull;
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nsIContent* pChild = nsnull;
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pNode->ChildAt(i, pChild);
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pChild->GetTag(pAtom);
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nsString answer;
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pAtom->ToString(answer);
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NS_IF_RELEASE(pAtom);
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if (answer.EqualsIgnoreCase(name))
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return pChild;
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else NS_IF_RELEASE(pChild);
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}
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return nsnull;
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}
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@ -23,6 +23,10 @@
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#include "nsHTItem.h"
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#include "nsIContent.h"
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#include "nsVoidArray.h"
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#include "nsINameSpaceManager.h"
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static nsIAtom* kOpenAtom;
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static nsIAtom* kSelectedAtom;
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nsHTItem::nsHTItem(nsIContent* pContent, nsHierarchicalDataModel* pDataModel)
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{
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@ -30,18 +34,31 @@ nsHTItem::nsHTItem(nsIContent* pContent, nsHierarchicalDataModel* pDataModel)
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mContentNode = pContent;
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mDataModel = pDataModel;
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mIndentationLevel = 0;
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if (nsnull == kOpenAtom) {
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kOpenAtom = NS_NewAtom("open");
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kSelectedAtom = NS_NewAtom("open");
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}
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else {
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NS_ADDREF(kOpenAtom);
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NS_ADDREF(kSelectedAtom);
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}
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}
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//--------------------------------------------------------------------
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nsHTItem::~nsHTItem()
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{
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NS_IF_RELEASE(mContentNode);
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nsrefcnt refCnt;
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NS_RELEASE2(kOpenAtom, refCnt);
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NS_RELEASE2(kSelectedAtom, refCnt);
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}
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PRBool nsHTItem::IsExpandedDelegate() const
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{
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nsString attrValue;
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nsresult result = mContentNode->GetAttribute("open", attrValue);
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nsresult result = mContentNode->GetAttribute(kNameSpaceID_None, kOpenAtom, attrValue);
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attrValue.ToLowerCase();
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return (result == NS_CONTENT_ATTR_NO_VALUE ||
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(result == NS_CONTENT_ATTR_HAS_VALUE && attrValue=="true"));
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@ -56,7 +73,7 @@ void nsHTItem::ToggleOpenStateDelegate()
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else attrValue = "true";
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// Set it and wait for the callback.
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mContentNode->SetAttribute("open", attrValue, PR_TRUE);
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mContentNode->SetAttribute(kNameSpaceID_None, kOpenAtom, attrValue, PR_TRUE);
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// TODO: Remove this and put it in the callback instead.
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FinishToggle();
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@ -117,7 +134,7 @@ nsIContent* nsHTItem::GetNthChildContentNode(PRUint32 n) const
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PRBool nsHTItem::IsSelectedDelegate() const
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{
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nsString attrValue;
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nsresult result = mContentNode->GetAttribute("selected", attrValue);
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nsresult result = mContentNode->GetAttribute(kNameSpaceID_None, kSelectedAtom, attrValue);
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attrValue.ToLowerCase();
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return (result == NS_CONTENT_ATTR_NO_VALUE ||
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(result == NS_CONTENT_ATTR_HAS_VALUE && attrValue=="true"));
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