summaryrefslogtreecommitdiff
path: root/indra/llui/lluictrlfactory.cpp
blob: 209ee76940d61a8d09b73a2b0fb94269d2c7223f (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
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
/** 
 * @file lluictrlfactory.cpp
 * @brief Factory class for creating UI controls
 *
 * $LicenseInfo:firstyear=2003&license=viewergpl$
 * 
 * Copyright (c) 2003-2009, 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 "linden_common.h"

#include "lluictrlfactory.h"

#include <fstream>
#include <boost/tokenizer.hpp>

// other library includes
#include "llcontrol.h"
#include "lldir.h"
#include "v4color.h"
#include "v3dmath.h"
#include "llquaternion.h"

// this library includes
#include "llfloater.h"

LLFastTimer::DeclareTimer FTM_WIDGET_CONSTRUCTION("Widget Construction");
LLFastTimer::DeclareTimer FTM_INIT_FROM_PARAMS("Widget InitFromParams");
LLFastTimer::DeclareTimer FTM_WIDGET_SETUP("Widget Setup");

//-----------------------------------------------------------------------------

// UI Ctrl class for padding
class LLUICtrlLocate : public LLUICtrl
{
public:
	struct Params : public LLInitParam::Block<Params, LLUICtrl::Params>
	{
		Params()
		{
			name = "locate";
			tab_stop = false;
		}
	};

	LLUICtrlLocate(const Params& p) : LLUICtrl(p) {}
	virtual void draw() { }

};

static LLDefaultChildRegistry::Register<LLUICtrlLocate> r1("locate");

//-----------------------------------------------------------------------------
// LLUICtrlFactory()
//-----------------------------------------------------------------------------
LLUICtrlFactory::LLUICtrlFactory()
	: mDummyPanel(NULL) // instantiated when first needed
{
}

LLUICtrlFactory::~LLUICtrlFactory()
{
	delete mDummyPanel;
	mDummyPanel = NULL;
}

void LLUICtrlFactory::loadWidgetTemplate(const std::string& widget_tag, LLInitParam::BaseBlock& block)
{
	std::string filename = std::string("widgets") + gDirUtilp->getDirDelimiter() + widget_tag + ".xml";
	LLXMLNodePtr root_node;

	if (LLUICtrlFactory::getLayeredXMLNode(filename, root_node))
	{
		LLXUIParser::instance().readXUI(root_node, block);
	}
}

//static 
void LLUICtrlFactory::createChildren(LLView* viewp, LLXMLNodePtr node, const widget_registry_t& registry, LLXMLNodePtr output_node)
{
	if (node.isNull()) return;

	for (LLXMLNodePtr child_node = node->getFirstChild(); child_node.notNull(); child_node = child_node->getNextSibling())
	{
		LLXMLNodePtr outputChild;
		if (output_node) 
		{
			outputChild = output_node->createChild("", FALSE);
		}

		if (!instance().createFromXML(child_node, viewp, LLStringUtil::null, registry, outputChild))
		{
			// child_node is not a valid child for the current parent
			std::string child_name = std::string(child_node->getName()->mString);
			if (LLDefaultChildRegistry::instance().getValue(child_name))
			{
				// This means that the registry assocaited with the parent widget does not have an entry
				// for the child widget
				// You might need to add something like:
				// static ParentWidgetRegistry::Register<ChildWidgetType> register("child_widget_name");
				llwarns << child_name << " is not a valid child of " << node->getName()->mString << llendl;
			}
			else
			{
				llwarns << "Could not create widget named " << child_node->getName()->mString << llendl;
			}
		}

		if (outputChild && !outputChild->mChildren && outputChild->mAttributes.empty() && outputChild->getValue().empty())
		{
			output_node->deleteChild(outputChild);
		}
	}

}

static LLFastTimer::DeclareTimer FTM_XML_PARSE("XML Reading/Parsing");
//-----------------------------------------------------------------------------
// getLayeredXMLNode()
//-----------------------------------------------------------------------------
bool LLUICtrlFactory::getLayeredXMLNode(const std::string &xui_filename, LLXMLNodePtr& root)
{
	LLFastTimer timer(FTM_XML_PARSE);
	return LLXMLNode::getLayeredXMLNode(xui_filename, root, LLUI::getXUIPaths());
}


//-----------------------------------------------------------------------------
// getLocalizedXMLNode()
//-----------------------------------------------------------------------------
bool LLUICtrlFactory::getLocalizedXMLNode(const std::string &xui_filename, LLXMLNodePtr& root)
{
	LLFastTimer timer(FTM_XML_PARSE);
	std::string full_filename = gDirUtilp->findSkinnedFilename(LLUI::getLocalizedSkinPath(), xui_filename);
	if (!LLXMLNode::parseFile(full_filename, root, NULL))
	{
		return false;
	}
	else
	{
		return true;
	}
}

static LLFastTimer::DeclareTimer FTM_BUILD_FLOATERS("Build Floaters");

//-----------------------------------------------------------------------------
// buildFloater()
//-----------------------------------------------------------------------------
bool LLUICtrlFactory::buildFloater(LLFloater* floaterp, const std::string& filename, LLXMLNodePtr output_node)
{
	LLFastTimer timer(FTM_BUILD_FLOATERS);
	LLXMLNodePtr root;

	//if exporting, only load the language being exported, 
	//instead of layering localized version on top of english
	if (output_node)
	{
		if (!LLUICtrlFactory::getLocalizedXMLNode(filename, root))
		{
			llwarns << "Couldn't parse floater from: " << LLUI::getLocalizedSkinPath() + gDirUtilp->getDirDelimiter() + filename << llendl;
			return false;
		}
	}
	else if (!LLUICtrlFactory::getLayeredXMLNode(filename, root))
	{
		llwarns << "Couldn't parse floater from: " << LLUI::getSkinPath() + gDirUtilp->getDirDelimiter() + filename << llendl;
		return false;
	}
	
	// root must be called floater
	if( !(root->hasName("floater") || root->hasName("multi_floater")) )
	{
		llwarns << "Root node should be named floater in: " << filename << llendl;
		return false;
	}
	
	bool res = true;
	
	lldebugs << "Building floater " << filename << llendl;
	mFileNames.push_back(gDirUtilp->findSkinnedFilename(LLUI::getSkinPath(), filename));
	{
		if (!floaterp->getFactoryMap().empty())
		{
			mFactoryStack.push_front(&floaterp->getFactoryMap());
		}

		 // for local registry callbacks; define in constructor, referenced in XUI or postBuild
		floaterp->getCommitCallbackRegistrar().pushScope();
		floaterp->getEnableCallbackRegistrar().pushScope();
		
		res = floaterp->initFloaterXML(root, floaterp->getParent(), output_node);

		floaterp->setXMLFilename(filename);
		
		floaterp->getCommitCallbackRegistrar().popScope();
		floaterp->getEnableCallbackRegistrar().popScope();
		
		if (!floaterp->getFactoryMap().empty())
		{
			mFactoryStack.pop_front();
		}
	}
	mFileNames.pop_back();
	
	return res;
}

//-----------------------------------------------------------------------------
// saveToXML()
//-----------------------------------------------------------------------------
S32 LLUICtrlFactory::saveToXML(LLView* viewp, const std::string& filename)
{
	return 0;
}

static LLFastTimer::DeclareTimer FTM_BUILD_PANELS("Build Panels");

//-----------------------------------------------------------------------------
// buildPanel()
//-----------------------------------------------------------------------------
BOOL LLUICtrlFactory::buildPanel(LLPanel* panelp, const std::string& filename, LLXMLNodePtr output_node)
{
	LLFastTimer timer(FTM_BUILD_PANELS);
	BOOL didPost = FALSE;
	LLXMLNodePtr root;

	//if exporting, only load the language being exported, 
	//instead of layering localized version on top of english
	if (output_node)
	{	
		if (!LLUICtrlFactory::getLocalizedXMLNode(filename, root))
		{
			llwarns << "Couldn't parse panel from: " << LLUI::getLocalizedSkinPath() + gDirUtilp->getDirDelimiter() + filename  << llendl;
			return didPost;
		}
	}
	else if (!LLUICtrlFactory::getLayeredXMLNode(filename, root))
	{
		llwarns << "Couldn't parse panel from: " << LLUI::getSkinPath() + gDirUtilp->getDirDelimiter() + filename << llendl;
		return didPost;
	}

	// root must be called panel
	if( !root->hasName("panel" ) )
	{
		llwarns << "Root node should be named panel in : " << filename << llendl;
		return didPost;
	}

	lldebugs << "Building panel " << filename << llendl;

	mFileNames.push_back(gDirUtilp->findSkinnedFilename(LLUI::getSkinPath(), filename));
	{
		if (!panelp->getFactoryMap().empty())
		{
			mFactoryStack.push_front(&panelp->getFactoryMap());
		}
		
		 // for local registry callbacks; define in constructor, referenced in XUI or postBuild
		panelp->getCommitCallbackRegistrar().pushScope();
		panelp->getEnableCallbackRegistrar().pushScope();
		
		didPost = panelp->initPanelXML(root, NULL, output_node);

		panelp->getCommitCallbackRegistrar().popScope();
		panelp->getEnableCallbackRegistrar().popScope();
		
		panelp->setXMLFilename(filename);

		if (!panelp->getFactoryMap().empty())
		{
			mFactoryStack.pop_front();
		}
	}
	mFileNames.pop_back();
	return didPost;
}

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------

static LLFastTimer::DeclareTimer FTM_CREATE_FROM_XML("Create child widget");

LLView *LLUICtrlFactory::createFromXML(LLXMLNodePtr node, LLView* parent, const std::string& filename, const widget_registry_t& registry, LLXMLNodePtr output_node)
{
	LLFastTimer timer(FTM_CREATE_FROM_XML);
	std::string ctrl_type = node->getName()->mString;
	LLStringUtil::toLower(ctrl_type);

	const LLWidgetCreatorFunc* funcp = registry.getValue(ctrl_type);
	if (funcp == NULL)
	{
		return NULL;
	}

	if (parent == NULL)
	{
		if (mDummyPanel == NULL)
		{
			LLPanel::Params p;
			mDummyPanel = create<LLPanel>(p);
		}
		parent = mDummyPanel;
	}
	LLView *view = (*funcp)(node, parent, output_node);	
	
	return view;
}

//-----------------------------------------------------------------------------
// createFactoryPanel()
//-----------------------------------------------------------------------------
LLPanel* LLUICtrlFactory::createFactoryPanel(const std::string& name)
{
	std::deque<const LLCallbackMap::map_t*>::iterator itor;
	for (itor = mFactoryStack.begin(); itor != mFactoryStack.end(); ++itor)
	{
		const LLCallbackMap::map_t* factory_map = *itor;

		// Look up this panel's name in the map.
		LLCallbackMap::map_const_iter_t iter = factory_map->find( name );
		if (iter != factory_map->end())
		{
			// Use the factory to create the panel, instead of using a default LLPanel.
			LLPanel *ret = (LLPanel*) iter->second.mCallback( iter->second.mData );
			return ret;
		}
	}
	LLPanel::Params panel_p;
	return create<LLPanel>(panel_p);
}

//-----------------------------------------------------------------------------

//static
BOOL LLUICtrlFactory::getAttributeColor(LLXMLNodePtr node, const std::string& name, LLColor4& color)
{
	std::string colorstring;
	BOOL res = node->getAttributeString(name.c_str(), colorstring);
	if (res)
	{
		if (LLUIColorTable::instance().colorExists(colorstring))
		{
			color.setVec(LLUIColorTable::instance().getColor(colorstring));
		}
		else
		{
			res = FALSE;
		}
	}
	if (!res)
	{
		res = LLColor4::parseColor(colorstring, &color);
	}	
	if (!res)
	{
		res = node->getAttributeColor(name.c_str(), color);
	}
	return res;
}

//static
void LLUICtrlFactory::setCtrlParent(LLView* view, LLView* parent, S32 tab_group)
{
	if (tab_group < 0) tab_group = parent->getLastTabGroup();
	parent->addChild(view, tab_group);
}


// Avoid directly using LLUI and LLDir in the template code
//static
std::string LLUICtrlFactory::findSkinnedFilename(const std::string& filename)
{
	return gDirUtilp->findSkinnedFilename(LLUI::getSkinPath(), filename);
}

void LLUICtrlFactory::pushFactoryFunctions(const LLCallbackMap::map_t* map)
{
	mFactoryStack.push_back(map);
}

void LLUICtrlFactory::popFactoryFunctions()
{
	if (!mFactoryStack.empty())
	{
		mFactoryStack.pop_back();
	}
}