summaryrefslogtreecommitdiff
path: root/indra/llui/llscrolllistcolumn.h
blob: e2711ac75ac7f197382ea89b8bae0f03a48ff6c5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
/** 
 * @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::Choice<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::Choice<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"
			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