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/**
* @file llscrollcolumnheader.h
* @brief Scroll lists are composed of rows (items), each of which
* contains columns (cells).
*
* $LicenseInfo:firstyear=2007&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LLSCROLLLISTCOLUMN_H
#define LLSCROLLLISTCOLUMN_H
#include "llrect.h"
#include "lluistring.h"
#include "llbutton.h"
#include "llinitparam.h"
class LLScrollListColumn;
class LLResizeBar;
class LLScrollListCtrl;
class LLScrollColumnHeader : public LLButton
{
public:
struct Params : public LLInitParam::Block<Params, LLButton::Params>
{
Mandatory<LLScrollListColumn*> column;
Params();
};
LLScrollColumnHeader(const Params&);
~LLScrollColumnHeader();
/*virtual*/ void draw();
/*virtual*/ bool handleDoubleClick(S32 x, S32 y, MASK mask);
/*virtual*/ LLView* findSnapEdge(S32& new_edge_val, const LLCoordGL& mouse_dir, ESnapEdge snap_edge, ESnapType snap_type, S32 threshold, S32 padding);
/*virtual*/ void handleReshape(const LLRect& new_rect, bool by_user = false);
LLScrollListColumn* getColumn() { return mColumn; }
void setHasResizableElement(bool resizable);
void updateResizeBars();
bool canResize();
void enableResizeBar(bool enable);
void onClick(const LLSD& data);
private:
LLScrollListColumn* mColumn;
LLResizeBar* mResizeBar;
bool mHasResizableElement;
};
/*
* A simple data class describing a column within a scroll list.
*/
class LLScrollListColumn
{
public:
typedef enum e_sort_direction
{
DESCENDING,
ASCENDING
} ESortDirection;
struct SortNames
: public LLInitParam::TypeValuesHelper<LLScrollListColumn::ESortDirection, SortNames>
{
static void declareValues();
};
struct Params : public LLInitParam::Block<Params>
{
Optional<std::string> name,
tool_tip;
Optional<std::string> sort_column;
Optional<ESortDirection, SortNames> sort_direction;
Optional<bool> sort_ascending;
struct Width : public LLInitParam::ChoiceBlock<Width>
{
Alternative<bool> dynamic_width;
Alternative<S32> pixel_width;
Alternative<F32> relative_width;
Width()
: dynamic_width("dynamic_width", false),
pixel_width("width"),
relative_width("relative_width", -1.f)
{
addSynonym(relative_width, "relwidth");
}
};
Optional<Width> width;
// either an image or label is used in column header
struct Header : public LLInitParam::ChoiceBlock<Header>
{
Alternative<std::string> label;
Alternative<LLUIImage*> image;
Header()
: label("label"),
image("image")
{}
};
Optional<Header> header;
Optional<LLFontGL::HAlign> halign;
Params()
: name("name"),
tool_tip("tool_tip"),
sort_column("sort_column"),
sort_direction("sort_direction"),
sort_ascending("sort_ascending", true),
halign("halign", LLFontGL::LEFT)
{
// default choice to "dynamic_width"
changeDefault(width.dynamic_width, true);
addSynonym(sort_column, "sort");
}
};
static const Params& getDefaultParams();
//NOTE: this is default constructible so we can store it in a map.
LLScrollListColumn(const Params& p = getDefaultParams(), LLScrollListCtrl* = NULL);
void setWidth(S32 width);
S32 getWidth() const { return mWidth; }
public:
// Public data is fine so long as this remains a simple struct-like data class.
// If it ever gets any smarter than that, these should all become private
// with protected or public accessor methods added as needed. -MG
std::string mName;
std::string mSortingColumn;
ESortDirection mSortDirection;
LLUIString mLabel;
F32 mRelWidth;
bool mDynamicWidth;
S32 mMaxContentWidth;
S32 mIndex;
LLScrollListCtrl* mParentCtrl;
LLScrollColumnHeader* mHeader;
LLFontGL::HAlign mFontAlignment;
private:
S32 mWidth;
};
#endif
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