gecko-dev/cmd/macfe/rdfui/CHyperTreeHeader.cp
1998-03-28 02:44:41 +00:00

120 lines
3.5 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "CHyperTreeHeader.h"
#include <LString.h>
#include <LCaption.h>
CHyperTreeHeader::CHyperTreeHeader(LStream* inStream)
: CTriStateTableHeader(inStream)
{
}
CHyperTreeHeader::~CHyperTreeHeader()
{
}
void
CHyperTreeHeader::SetUpColumns(HT_Cursor columnCursor)
{
LTableHeader::SColumnData columnData;
ColumnInfo columnInfo;
PaneIDT columnPaneID = 1;
void *columnToken;
Uint32 columnWidth, columnTokenType;
SPaneInfo paneInfo;
char *columnName;
vector<LTableHeader::SColumnData> dataVector;
// initialize SPaneInfo fields that don't change
paneInfo.width = 50;
paneInfo.height = 12;
paneInfo.visible = false;
paneInfo.enabled = false;
paneInfo.bindings.left = false;
paneInfo.bindings.top = false;
paneInfo.bindings.right = false;
paneInfo.bindings.bottom = false;
paneInfo.left = 0;
paneInfo.top = 0;
paneInfo.userCon = NULL;
paneInfo.superView = this;
DeleteAllSubPanes();
// initialize LTableHeader::SColumnData fields that don't change
columnData.columnPosition = 0;
columnData.flags = 0;
// get column data from cursor
while (HT_GetNextColumn(columnCursor, &columnName, &columnWidth, &columnToken, &columnTokenType))
{
LStr255 name(columnName);
paneInfo.paneID = columnPaneID;
LCaption* columnCaption = new LCaption(paneInfo, name, columnTextTraits_ID);
columnData.paneID = columnPaneID;
columnData.columnWidth = columnWidth;
dataVector.push_back(columnData);
columnInfo.token = columnToken;
columnInfo.tokenType = columnTokenType;
mColumnInfo.push_back(columnInfo);
columnCaption->Enable();
columnCaption->Show();
++columnPaneID;
}
// LTableHeader expects its mColumnData member to be a mac Handle;
// therefore, create the Handle from dataVector.
Handle handle = ::NewHandle(sizeof(LTableHeader::SColumnData) * dataVector.size());
// I have no clue who is going to catch this, but if we can't allocate the
// Handle, we're up the creek without a paddle and with a very leaky canoe.
ThrowIfMemFail_(handle);
LHandleStream dataStream(handle);
vector<LTableHeader::SColumnData>::iterator iter = dataVector.begin();
while (iter != dataVector.end())
{
Int32 byteCount = sizeof(LTableHeader::SColumnData);
dataStream.PutBytes(iter, byteCount);
++iter;
}
if (mColumnData)
::DisposeHandle(reinterpret_cast<Handle>(mColumnData));
mColumnData = reinterpret_cast<LTableHeader::SColumnData**>(dataStream.DetachDataHandle());
// now initialize LTableHeader data members and have it sync itself up
mColumnCount = dataVector.size();
mLastVisibleColumn = mColumnCount;
ConvertWidthsToAbsolute();
ComputeColumnPositions();
PositionColumnHeaders(true);
}
CHyperTreeHeader::ColumnInfo&
CHyperTreeHeader::GetColumnInfo(Uint32 inColumnKey)
{
vector<ColumnInfo>::iterator iter = mColumnInfo.begin();
return *(iter + inColumnKey);
}