summaryrefslogtreecommitdiff
path: root/indra/newview/llsearchcombobox.cpp
blob: 93a70b6471a040ab1fab79069e17a069c65f05a5 (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
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
/**
 * @file llsearchcombobox.cpp
 * @brief Search Combobox implementation
 *
 * $LicenseInfo:firstyear=2009&license=viewergpl$
 * 
 * Copyright (c) 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.
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"
#include "llsearchcombobox.h"

#include "llkeyboard.h"
#include "lltrans.h"  // for LLTrans::getString()
#include "lluictrlfactory.h"

static LLDefaultChildRegistry::Register<LLSearchComboBox> r1("search_combo_box");

class LLSearchHistoryBuilder
{
public:
	LLSearchHistoryBuilder(LLSearchComboBox* combo_box, const std::string& filter);

	virtual void buildSearchHistory();

	virtual ~LLSearchHistoryBuilder(){}

protected:

	virtual bool filterSearchHistory();

	LLSearchComboBox* mComboBox;
	std::string mFilter;
	LLSearchHistory::search_history_list_t mFilteredSearchHistory;
};

LLSearchComboBox::Params::Params()
: search_button("search_button")
, dropdown_button_visible("dropdown_button_visible", false)
{
}

LLSearchComboBox::LLSearchComboBox(const Params&p)
: LLComboBox(p)
{
	S32 btn_top = p.search_button.top_pad + p.search_button.rect.height;
	S32 btn_right = p.search_button.rect.width + p.search_button.left_pad;
	LLRect search_btn_rect(p.search_button.left_pad, btn_top, btn_right, p.search_button.top_pad);

	LLButton::Params button_params(p.search_button);
	button_params.name(std::string("search_btn"));
	button_params.rect(search_btn_rect) ;
	button_params.follows.flags(FOLLOWS_LEFT|FOLLOWS_TOP);
	button_params.tab_stop(false);
	button_params.click_callback.function(boost::bind(&LLSearchComboBox::onSelectionCommit, this));
	mSearchButton = LLUICtrlFactory::create<LLButton>(button_params);
	mTextEntry->addChild(mSearchButton);

	setButtonVisible(p.dropdown_button_visible);
	mTextEntry->setCommitCallback(boost::bind(&LLComboBox::onTextCommit, this, _2));
	mTextEntry->setKeystrokeCallback(boost::bind(&LLComboBox::onTextEntry, this, _1), NULL);
	setCommitCallback(boost::bind(&LLSearchComboBox::onSelectionCommit, this));
	setPrearrangeCallback(boost::bind(&LLSearchComboBox::onSearchPrearrange, this, _2));
	mSearchButton->setCommitCallback(boost::bind(&LLSearchComboBox::onTextCommit, this, _2));
}

void LLSearchComboBox::rebuildSearchHistory(const std::string& filter)
{
	LLSearchHistoryBuilder builder(this, filter);
	builder.buildSearchHistory();
}

void LLSearchComboBox::onSearchPrearrange(const LLSD& data)
{
	std::string filter = data.asString();
	rebuildSearchHistory(filter);

	mList->mouseOverHighlightNthItem(-1); // Clear highlight on the last selected item.
}

void LLSearchComboBox::onTextEntry(LLLineEditor* line_editor)
{
	KEY key = gKeyboard->currentKey();

	if (line_editor->getText().empty())
	{
		prearrangeList(); // resets filter
		hideList();
	}
	// Typing? (moving cursor should not affect showing the list)
	else if (key != KEY_LEFT && key != KEY_RIGHT && key != KEY_HOME && key != KEY_END)
	{
		prearrangeList(line_editor->getText());
		if (mList->getItemCount() != 0)
		{
			showList();
			focusTextEntry();
		}
		else
		{
			// Hide the list if it's empty.
			hideList();
		}
	}
	LLComboBox::onTextEntry(line_editor);
}

void LLSearchComboBox::focusTextEntry()
{
	// We can't use "mTextEntry->setFocus(TRUE)" instead because
	// if the "select_on_focus" parameter is true it places the cursor
	// at the beginning (after selecting text), thus screwing up updateSelection().
	if (mTextEntry)
	{
		gFocusMgr.setKeyboardFocus(mTextEntry);
	}
}

void LLSearchComboBox::hideList()
{
	LLComboBox::hideList();
	if (mTextEntry && hasFocus())
		focusTextEntry();
}

LLSearchComboBox::~LLSearchComboBox()
{
}

void LLSearchComboBox::onSelectionCommit()
{
	std::string search_query = getSimple();
	LLStringUtil::trim(search_query);

	// Order of add() and mTextEntry->setText does matter because add() will select first item 
	// in drop down list and its label will be copied to text box rewriting mTextEntry->setText() call
	if(!search_query.empty())
	{
		remove(search_query);
		add(search_query, ADD_TOP);
	}

	mTextEntry->setText(search_query);
	setControlValue(search_query);
}

BOOL LLSearchComboBox::remove(const std::string& name)
{
	BOOL found = mList->selectItemByLabel(name, FALSE);

	if (found)
	{
		LLScrollListItem* item = mList->getFirstSelected();
		if (item)
		{
			LLComboBox::remove(mList->getItemIndex(item));
		}
	}

	return found;
}

void LLSearchComboBox::clearHistory()
{
	removeall();
	setTextEntry(LLStringUtil::null);
}

BOOL LLSearchComboBox::handleKeyHere(KEY key,MASK mask )
{
	if(mTextEntry->hasFocus() && MASK_NONE == mask && KEY_DOWN == key)
	{
		S32 first = 0;
		S32 size = 0;

		// get entered text (without auto-complete part)
		mTextEntry->getSelectionRange(&first, &size);
		std::string search_query = mTextEntry->getText();
		search_query.erase(first, size);

		onSearchPrearrange(search_query);
	}
	return LLComboBox::handleKeyHere(key, mask);
}

LLSearchHistoryBuilder::LLSearchHistoryBuilder(LLSearchComboBox* combo_box, const std::string& filter)
: mComboBox(combo_box)
, mFilter(filter)
{
}

bool LLSearchHistoryBuilder::filterSearchHistory()
{
	// *TODO: an STL algorithm would look nicer
	mFilteredSearchHistory.clear();

	std::string filter_copy = mFilter;
	LLStringUtil::toLower(filter_copy);

	LLSearchHistory::search_history_list_t history = 
		LLSearchHistory::getInstance()->getSearchHistoryList();

	LLSearchHistory::search_history_list_t::const_iterator it = history.begin();
	for ( ; it != history.end(); ++it)
	{
		std::string search_query = (*it).search_query;
		LLStringUtil::toLower(search_query);

		if (search_query.find(filter_copy) != std::string::npos)
			mFilteredSearchHistory.push_back(*it);
	}

	return mFilteredSearchHistory.size();
}

void LLSearchHistoryBuilder::buildSearchHistory()
{
	mFilteredSearchHistory.clear();

	LLSearchHistory::search_history_list_t filtered_items;
	LLSearchHistory::search_history_list_t* itemsp = NULL;
	LLSearchHistory* sh = LLSearchHistory::getInstance();

	if (mFilter.empty())
	{
		itemsp = &sh->getSearchHistoryList();
	}
	else
	{
		filterSearchHistory();
		itemsp = &mFilteredSearchHistory;
		itemsp->sort();
	}

	mComboBox->removeall();

	LLSearchHistory::search_history_list_t::const_iterator it = itemsp->begin();
	for ( ; it != itemsp->end(); it++)
	{
		LLSearchHistory::LLSearchHistoryItem item = *it;
		mComboBox->add(item.search_query);
	}
}