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/**
* @file LLAccordionCtrlTab.h
* @brief Collapsible box control implementation
*
* $LicenseInfo:firstyear=2004&license=viewergpl$
*
* Copyright (c) 2004-2009, 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 LL_ACCORDIONCTRLTAB_H_
#define LL_ACCORDIONCTRLTAB_H_
#include <string>
#include "llrect.h"
class LLUICtrl;
class LLUICtrlFactory;
class LLUIImage;
class LLButton;
class LLTextBox;
// LLAccordionCtrlTab is a container for other controls.
// It has a Header, by clicking on which hosted controls are shown or hidden.
// When hosted controls are show - LLAccordionCtrlTab is expanded.
// When hosted controls are hidden - LLAccordionCtrlTab is collapsed.
class LLAccordionCtrlTab : public LLUICtrl
{
// Interface
public:
struct Params
: public LLInitParam::Block<Params, LLUICtrl::Params>
{
Optional<bool> display_children, //expanded or collapsed after initialization
collapsible;
Optional<std::string> title;
Optional<S32> header_height,
min_width,
min_height;
// Overlay images (arrows on the left)
Mandatory<LLUIImage*> header_expand_img,
header_expand_img_pressed,
header_collapse_img,
header_collapse_img_pressed;
// Background images for the accordion tabs
Mandatory<LLUIImage*> header_image,
header_image_over,
header_image_pressed,
header_image_focused;
Optional<LLUIColor> header_bg_color,
header_text_color,
dropdown_bg_color;
Optional<bool> header_visible;
Optional<S32> padding_left;
Optional<S32> padding_right;
Optional<S32> padding_top;
Optional<S32> padding_bottom;
Params();
};
typedef LLDefaultChildRegistry child_registry_t;
virtual ~LLAccordionCtrlTab();
// Registers callback for expand/collapse events.
boost::signals2::connection setDropDownStateChangedCallback(commit_callback_t cb);
// Changes expand/collapse state
virtual void setDisplayChildren(bool display);
// Returns expand/collapse state
virtual bool getDisplayChildren() const {return mDisplayChildren;};
//set LLAccordionCtrlTab panel
void setAccordionView(LLView* panel);
LLView* getAccordionView();
bool getCollapsible() {return mCollapsible;};
void setCollapsible(bool collapsible) {mCollapsible = collapsible;};
void changeOpenClose(bool is_open);
void canOpenClose(bool can_open_close) { mCanOpenClose = can_open_close;};
bool canOpenClose() const { return mCanOpenClose; };
virtual BOOL postBuild();
S32 notifyParent(const LLSD& info);
S32 notify(const LLSD& info);
bool notifyChildren(const LLSD& info);
void storeOpenCloseState ();
void restoreOpenCloseState ();
protected:
LLAccordionCtrlTab(const LLAccordionCtrlTab::Params&);
friend class LLUICtrlFactory;
// Overrides
public:
// Call reshape after changing size
virtual void reshape(S32 width, S32 height, BOOL called_from_parent = TRUE);
// Changes expand/collapse state and triggers expand/collapse callbacks
virtual BOOL handleMouseDown(S32 x, S32 y, MASK mask);
virtual BOOL handleMouseUp(S32 x, S32 y, MASK mask);
virtual BOOL handleKey(KEY key, MASK mask, BOOL called_from_parent);
virtual bool addChild(LLView* child, S32 tab_group);
bool isExpanded() { return mDisplayChildren; }
S32 getHeaderHeight();
// Min size functions
void setHeaderVisible(bool value);
bool getHeaderVisible() { return mHeaderVisible;}
S32 mExpandedHeight; // Height of expanded ctrl.
// Used to restore height after expand.
S32 getPaddingLeft() const { return mPaddingLeft;}
S32 getPaddingRight() const { return mPaddingRight;}
S32 getPaddingTop() const { return mPaddingTop;}
S32 getPaddingBottom() const { return mPaddingBottom;}
void showAndFocusHeader();
private:
class LLAccordionCtrlTabHeader;
LLAccordionCtrlTabHeader* mHeader; //Header
bool mDisplayChildren; //Expanded/collapsed
bool mCollapsible;
bool mHeaderVisible;
bool mCanOpenClose;
S32 mPaddingLeft;
S32 mPaddingRight;
S32 mPaddingTop;
S32 mPaddingBottom;
bool mStoredOpenCloseState;
bool mWasStateStored;
LLUIColor mDropdownBGColor;
};
#endif
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