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+/**
+ * @file llscrolllistcell.h
+ * @brief Scroll lists are composed of rows (items), each of which
+ * contains columns (cells).
+ *
+ * $LicenseInfo:firstyear=2007&license=viewergpl$
+ *
+ * Copyright (c) 2007-2009, Linden Research, Inc.
+ *
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab. Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ *
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ *
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ *
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#ifndef LLSCROLLLISTCELL_H
+#define LLSCROLLLISTCELL_H
+
+#include "llfontgl.h" // HAlign
+#include "llpointer.h" // LLPointer<>
+#include "lluistring.h"
+#include "v4color.h"
+#include "llui.h"
+
+class LLCheckBoxCtrl;
+class LLSD;
+class LLUIImage;
+
+/*
+ * Represents a cell in a scrollable table.
+ *
+ * Sub-classes must return height and other properties
+ * though width accessors are implemented by the base class.
+ * It is therefore important for sub-class constructors to call
+ * setWidth() with realistic values.
+ */
+class LLScrollListCell
+{
+public:
+ struct Params : public LLInitParam::Block<Params>
+ {
+ Optional<std::string> type,
+ column;
+
+ Optional<S32> width;
+ Optional<bool> enabled,
+ visible;
+
+ Optional<void*> userdata;
+ Optional<LLSD> value;
+
+ Optional<const LLFontGL*> font;
+ Optional<LLColor4> font_color;
+ Optional<LLFontGL::HAlign> font_halign;
+
+ Optional<LLColor4> color;
+
+ Params()
+ : type("type", "text"),
+ column("column"),
+ width("width"),
+ enabled("enabled", true),
+ visible("visible", true),
+ value("value"),
+ font("font", LLFontGL::getFontSansSerifSmall()),
+ font_color("font_color", LLColor4::black),
+ color("color", LLColor4::white),
+ font_halign("halign", LLFontGL::LEFT)
+ {
+ addSynonym(column, "name");
+ addSynonym(font_color, "font-color");
+ }
+ };
+
+ static LLScrollListCell* create(const Params&);
+
+ LLScrollListCell(const LLScrollListCell::Params&);
+ virtual ~LLScrollListCell() {};
+ virtual void draw(const LLColor4& color, const LLColor4& highlight_color) const = 0; // truncate to given width, if possible
+ virtual S32 getWidth() const {return mWidth;}
+ virtual S32 getContentWidth() const { return 0; }
+ virtual S32 getHeight() const = 0;
+ virtual const LLSD getValue() const;
+ virtual void setValue(const LLSD& value) { }
+ virtual BOOL getVisible() const { return TRUE; }
+ virtual void setWidth(S32 width) { mWidth = width; }
+ virtual void highlightText(S32 offset, S32 num_chars) {}
+ virtual BOOL isText() const = 0;
+ virtual void setColor(const LLColor4&) {}
+ virtual void onCommit() {};
+
+ virtual BOOL handleClick() { return FALSE; }
+ virtual void setEnabled(BOOL enable) { }
+
+private:
+ S32 mWidth;
+};
+
+class LLScrollListSpacer : public LLScrollListCell
+{
+public:
+ LLScrollListSpacer(const LLScrollListCell::Params& p) : LLScrollListCell(p) {}
+ /*virtual*/ ~LLScrollListSpacer() {};
+ /*virtual*/ void draw(const LLColor4& color, const LLColor4& highlight_color) const {}
+ /*virtual*/ S32 getHeight() const { return 0; }
+ /*virtual*/ BOOL isText() const { return FALSE; }
+};
+
+/*
+ * Cell displaying a text label.
+ */
+class LLScrollListText : public LLScrollListCell
+{
+public:
+ LLScrollListText(const LLScrollListCell::Params&);
+ /*virtual*/ ~LLScrollListText();
+
+ /*virtual*/ void draw(const LLColor4& color, const LLColor4& highlight_color) const;
+ /*virtual*/ S32 getContentWidth() const;
+ /*virtual*/ S32 getHeight() const;
+ /*virtual*/ void setValue(const LLSD& value);
+ /*virtual*/ const LLSD getValue() const;
+ /*virtual*/ BOOL getVisible() const;
+ /*virtual*/ void highlightText(S32 offset, S32 num_chars);
+
+ /*virtual*/ void setColor(const LLColor4&);
+ /*virtual*/ BOOL isText() const;
+
+ void setText(const LLStringExplicit& text);
+ void setFontStyle(const U8 font_style) { mFontStyle = font_style; }
+
+private:
+ LLUIString mText;
+ const LLFontGL* mFont;
+ LLColor4 mColor;
+ U8 mUseColor;
+ U8 mFontStyle;
+ LLFontGL::HAlign mFontAlignment;
+ BOOL mVisible;
+ S32 mHighlightCount;
+ S32 mHighlightOffset;
+
+ LLPointer<LLUIImage> mRoundedRectImage;
+
+ static U32 sCount;
+};
+
+/*
+ * Cell displaying an image.
+ */
+class LLScrollListIcon : public LLScrollListCell
+{
+public:
+ LLScrollListIcon(const LLScrollListCell::Params& p);
+ /*virtual*/ ~LLScrollListIcon();
+ /*virtual*/ void draw(const LLColor4& color, const LLColor4& highlight_color) const;
+ /*virtual*/ S32 getWidth() const;
+ /*virtual*/ S32 getHeight() const;
+ /*virtual*/ const LLSD getValue() const;
+ /*virtual*/ void setColor(const LLColor4&);
+ /*virtual*/ BOOL isText()const { return FALSE; }
+ /*virtual*/ void setValue(const LLSD& value);
+
+private:
+ LLPointer<LLUIImage> mIcon;
+ LLColor4 mColor;
+ LLFontGL::HAlign mAlignment;
+};
+
+/*
+ * An interactive cell containing a check box.
+ */
+class LLScrollListCheck : public LLScrollListCell
+{
+public:
+ LLScrollListCheck( const LLScrollListCell::Params&);
+ /*virtual*/ ~LLScrollListCheck();
+ /*virtual*/ void draw(const LLColor4& color, const LLColor4& highlight_color) const;
+ /*virtual*/ S32 getHeight() const { return 0; }
+ /*virtual*/ const LLSD getValue() const;
+ /*virtual*/ void setValue(const LLSD& value);
+ /*virtual*/ void onCommit();
+
+ /*virtual*/ BOOL handleClick();
+ /*virtual*/ void setEnabled(BOOL enable);
+
+ LLCheckBoxCtrl* getCheckBox() { return mCheckBox; }
+ /*virtual*/ BOOL isText() const { return FALSE; }
+
+private:
+ LLCheckBoxCtrl* mCheckBox;
+};
+
+class LLScrollListDate : public LLScrollListText
+{
+public:
+ LLScrollListDate( const LLScrollListCell::Params& p );
+ virtual void setValue(const LLSD& value);
+ virtual const LLSD getValue() const;
+
+private:
+ LLDate mDate;
+};
+
+#endif