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tdesdk/umbrello/umbrello/dialogs/codeeditor.cpp

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/***************************************************************************
codeviewerdialog.cpp - description
-------------------
begin : Fri Aug 1 2003
copyright : (C) 2003 by Brian Thomas
email : brian.thomas@gsfc.nasa.gov
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* copyright (C) 2004-2007 *
* Umbrello UML Modeller Authors <uml-devel@uml.sf.net> *
***************************************************************************/
// own header
#include "codeeditor.h"
// qt/kde includes
#include <tqkeysequence.h>
#include <tqcursor.h>
#include <tqcolor.h>
#include <tqlabel.h>
#include <tqbrush.h>
#include <tqlayout.h>
#include <tqregexp.h>
#include <kdebug.h>
#include <tdelocale.h>
// local includes
#include "../attribute.h"
#include "../classifier.h"
#include "../umldoc.h"
#include "../umlrole.h"
#include "../codeaccessormethod.h"
#include "../codegenerator.h"
#include "../codeclassfield.h"
#include "../codeclassfielddeclarationblock.h"
#include "../codedocument.h"
#include "../codeoperation.h"
#include "../codemethodblock.h"
#include "../classifiercodedocument.h"
#include "../ownedhierarchicalcodeblock.h"
#include "../codegenerators/codegenfactory.h"
#include "codeviewerdialog.h"
#include "classpropdlg.h"
#include "umlattributedialog.h"
#include "umlroledialog.h"
#include "umloperationdialog.h"
CodeEditor::CodeEditor ( const TQString & text, const TQString & context, CodeViewerDialog * parent, const char * name , CodeDocument * doc)
: TQTextEdit ( text, context, parent, name)
{
init(parent, doc);
}
CodeEditor::CodeEditor ( CodeViewerDialog * parent, const char* name, CodeDocument * doc )
: TQTextEdit ( parent, name )
{
init(parent, doc);
}
/*
* Destroys the object and frees any allocated resources
*/
CodeEditor::~CodeEditor() { }
// clear the display of all text
void CodeEditor::clearText () {
// setCaption( tr2i18n("") );
m_selectedTextBlock = 0;
m_textBlockList.clear();
m_tbInfoMap->clear();
// now call super-class
clear();
}
Settings::CodeViewerState CodeEditor::getState()
{
return m_parentDlg->getState();
}
TQLabel * CodeEditor::getComponentLabel() {
return m_parentDlg->componentLabel;
}
// FIX: used only for debugging right now.. eliminate eventually -b.t.
void CodeEditor::clicked(int para, int pos)
{
getComponentLabel()->setText("para:"+TQString::number(para)+" pos:"+TQString::number(pos));
}
bool CodeEditor::close ( bool alsoDelete )
{
// capture last code block, if it exists
if(m_lastTextBlockToBeEdited)
{
updateTextBlockFromText (m_lastTextBlockToBeEdited);
m_lastTextBlockToBeEdited = 0;
}
return TQTextEdit::close(alsoDelete);
}
void CodeEditor::doubleClicked(int para, int pos)
{
m_lastPara = para;
m_lastPos = pos;
// ugh. more ugliness. We want to be able to call up the
// correct editing dialog for the given attribute.
TextBlock * tBlock = m_textBlockList.at(para);
editTextBlock(tBlock, para);
}
// allow us to edit, as appropriate, the parent UMLObject of the
// given text block.
void CodeEditor::editTextBlock(TextBlock * tBlock, int para) {
if(tBlock)
{
TextBlockInfo *info = (*m_tbInfoMap)[tBlock];
if(info) {
UMLObject *obj = info->getParent();
if(obj)
{
UMLAttribute * at = 0;
UMLRole * role = 0;
UMLOperation * op = 0;
if( (at = dynamic_cast<UMLAttribute*>(obj)) )
{
UMLAttributeDialog dlg( this, at);
if( dlg.exec() ) { rebuildView(para); }
}
else if( (dynamic_cast<UMLClassifier*>(obj)) )
{
if (obj->showProperties())
rebuildView(para);
}
else if( (role = dynamic_cast<UMLRole*>(obj)))
{
UMLRoleDialog dlg(this,role);
if( dlg.exec() ) { rebuildView(para); }
}
else if( (op = dynamic_cast<UMLOperation*>(obj)) )
//else if( (cop = dynamic_cast<CodeOperation*>(tBlock)) )
{
UMLOperationDialog dlg(this,op);
if( dlg.exec() ) { rebuildView(para); }
}
else
{
kError()<<" CodeViewerDlg ERROR: UNKNOWN parent for textBlock"<<endl;
}
}
}
}
}
// return whether is empty or just whitespace
bool CodeEditor::StringIsBlank(const TQString &str)
{
if(str.isEmpty() || str.stripWhiteSpace().isEmpty())
return true;
return false;
}
void CodeEditor::keyPressEvent ( TQKeyEvent * e ) {
// kDebug() <<"KEY PRESS EVENT:["<<e->text().latin1()<<"] ascii CODE:"<<e->ascii();
if((e->ascii() == 8) ) // || (e->ascii() == 127)) // what about delete?
m_backspacePressed = true;
// Q: can the MAC or WIN/DOS sequences occur?
if((e->ascii() == 10) || (e->ascii() == 13) || (e->text() == "\r\n"))
m_newLinePressed = true;
TQTextEdit::keyPressEvent(e);
}
void CodeEditor::loadFromDocument ()
{
// clear the tool
clearText();
// set caption on tool
TQString caption = m_parentDoc->getFileName() + m_parentDoc->getFileExtension();
setCaption( tr2i18n( caption.latin1() ) );
// header for document
TQString header = m_parentDoc->getHeader()->toString();
TQString componentName = TQString("header for file ") +caption;
if(!StringIsBlank(header))
insert(header,m_parentDoc->getHeader(),false,getState().fontColor,
getState().nonEditBlockColor,0,componentName);
// now all the text blocks in the document
TextBlockList * items = m_parentDoc->getTextBlockList();
appendText(items);
setCursorPosition(0,0);
}
void CodeEditor::insert (const TQString & text, TextBlock * parent, bool editable, const TQColor & fgcolor, const TQColor & bgcolor, UMLObject * umlobj, const TQString & displayName, int startLine)
{
// set some params
bool isInsert = false;
setColor(fgcolor);
// its an append op if startLine is -1, otherwise its
// an actual insert, which is more complicated
if(startLine == -1)
{
startLine = paragraphs()-1;
TQTextEdit::append(text); // put actual text in. Use insert instead of append so history is preserved?
}
else
{
isInsert = true;
TQTextEdit::insertAt(text, startLine, 0);
}
// actual put in text
// now do 'paragraph' background highlighting
// int endLine = paragraphs()-2;
int endLine = text.contains(TQRegExp("\n")) + startLine -1;
if(m_isHighlighted)
for(int para=startLine;para<=endLine;para++)
setParagraphBackgroundColor(para,bgcolor);
// record paragraph information
// Did we already start recording info for this parent object?
TextBlockInfo * tbinfo;
if(m_tbInfoMap->contains(parent))
tbinfo = (*m_tbInfoMap)[parent];
else {
tbinfo = new TextBlockInfo();
tbinfo->displayName = displayName;
tbinfo->isCodeAccessorMethod = dynamic_cast<CodeAccessorMethod*>(parent) ? true : false;
m_tbInfoMap->insert(parent,tbinfo);
}
// set a parent, if its not already set
if(umlobj && !tbinfo->getParent())
{
tbinfo->displayName = displayName;
tbinfo->setParent(umlobj);
tbinfo->isClickable = textBlockIsClickable(umlobj);
}
// now mark all lines that we just inserted as belonging to the parent
for(int para=startLine;para<=endLine;para++)
m_textBlockList.insert(para,parent);
// lastly, update the para info
// start position is relative to the FIRST parent position
int start = startLine - m_textBlockList.findRef(parent);
int size = endLine-startLine;
// create the object that records this particular "paragraph"
ParaInfo * item = new ParaInfo();
item->start = start;
item->size= size;
item->fgcolor = fgcolor;
item->bgcolor = bgcolor;
item->isEditable = editable;
if(isInsert)
{
// now we have to fix the 'start' value for all the para
// info blocks that coorspond to textblocks that we inserted
// inside of. This means parent tblock paragraph locations
// that are greater than zero in that type of textblock
int increase = size + 1;
TQMap<TextBlock*,TextBlockInfo*>::Iterator it;
for ( it = m_tbInfoMap->begin(); it != m_tbInfoMap->end(); ++it )
{
TextBlock * tblock = it.key();
TextBlockInfo * thisTbInfo = it.data();
int firstLoc = m_textBlockList.findRef(tblock);
ParaInfo * lastPi = thisTbInfo->m_paraList.last();
for(ParaInfo * pi = thisTbInfo->m_paraList.first(); pi; pi = thisTbInfo->m_paraList.next())
{
int minPara = pi->start+firstLoc;
// only worth doing if in range of the whole
// representation
if(!pi->start && (startLine > (lastPi->start+firstLoc+lastPi->size) || endLine < minPara) )
break;
// now, only for those paraInfo blocks which
// have exceeded our last line, we increase them
if(pi->start && minPara >= endLine )
pi->start += increase;
}
}
}
tbinfo->m_paraList.append(item);
}
void CodeEditor::appendText(TextBlockList * items)
{
for (TextBlock *tb = items->first(); tb; tb = items->next())
{
// types of things we may cast our text block into
// This isnt efficient, and is a vote for recording
// code block types in an enumerated list somewhere,
// as well as a generic attribute "blockType" we could
// quickly access, rather than casting. -b.t.
HierarchicalCodeBlock * hb = dynamic_cast<HierarchicalCodeBlock *>(tb);
CodeMethodBlock * mb = 0;
CodeClassFieldDeclarationBlock * db = 0;
CodeBlockWithComments * cb = 0;
// CodeComment * cm = 0;
if(hb)
appendText(hb);
else if ( (mb = dynamic_cast<CodeMethodBlock*>(tb)) )
appendText(mb);
else if ( (db = dynamic_cast<CodeClassFieldDeclarationBlock*>(tb)) )
appendText(db);
else if ( (cb = dynamic_cast<CodeBlockWithComments*>(tb)) )
appendText(cb);
/*
// no! shouldn't be any 'naked' comments floating about. Always
// are assocated with a parent code block
else if ( (cm = dynamic_cast<CodeComment*>(tb)) )
appendText(cm);
*/
else
appendText(tb); // no cast worked. Just do a text block
}
}
void CodeEditor::appendText (CodeComment * comment, TextBlock * parent, UMLObject * umlObj , const TQString & componentName)
{
if(!comment->getWriteOutText() && !m_showHiddenBlocks)
return;
TQColor bgcolor = getState().nonEditBlockColor;
if(!comment->getWriteOutText() && m_showHiddenBlocks)
bgcolor = getState().hiddenColor;
TQString indent = comment->getIndentationString();
TQString text = comment->toString(); // use comment formatting, NOT formatMultiLineText(comment->toString(), indent, "\n");
if(!StringIsBlank(text))
insert(text,parent,true,getState().fontColor, bgcolor, umlObj, componentName);
}
void CodeEditor::appendText (CodeBlockWithComments * cb ) {
if(!cb->getWriteOutText() && !m_showHiddenBlocks)
return;
TQString indent = cb->getIndentationString();
TQString body = cb->formatMultiLineText (cb->getText(), indent, "\n");
TQColor bgcolor = getState().editBlockColor;
TQString componentName = TQString("CodeBlock");
appendText(cb->getComment(), cb, 0, componentName);
if(!cb->getWriteOutText() && m_showHiddenBlocks)
bgcolor = getState().hiddenColor;
if(!StringIsBlank(body))
insert(body,cb,true,getState().fontColor,bgcolor,0);
}
void CodeEditor::appendText (CodeClassFieldDeclarationBlock * db ) {
if(!db->getWriteOutText() && !m_showHiddenBlocks)
return;
TQString indent = db->getIndentationString();
TQString body = db->formatMultiLineText (db->getText(), indent, "\n");
UMLObject * parentObj = db->getParentClassField()->getParentObject();
TQColor bgcolor = getState().editBlockColor;
TQString componentName = TQString("");
if(parentObj)
{
if(db->getParentClassField()->parentIsAttribute()) {
componentName = parentDocName + "::attribute_field(" + parentObj->getName() + ')';
} else {
UMLRole * role = dynamic_cast<UMLRole*>(parentObj);
componentName = parentDocName + "::association_field(" + role->getName() + ')';
}
bgcolor = getState().umlObjectColor;
}
appendText(db->getComment(), db, parentObj,componentName);
if(!db->getWriteOutText() && m_showHiddenBlocks)
bgcolor = getState().hiddenColor;
if(!StringIsBlank(body))
insert(body,db,false,getState().fontColor,bgcolor,parentObj);
}
void CodeEditor::appendText (CodeMethodBlock * mb) {
// Note: IF CodeAccessors are hidden, we DON'T show
// it even when requested as the hiddeness of these methods
// should be controled by the class fields, not the user in the editor.
if(!mb->getWriteOutText() && (!m_showHiddenBlocks || dynamic_cast<CodeAccessorMethod*>(mb)))
return;
TQColor bgcolor = getState().umlObjectColor;
TQString indent = mb->getIndentationString();
TQString bodyIndent = mb->getIndentationString(mb->getIndentationLevel()+1);
TQString startText = mb->formatMultiLineText ( mb->getStartMethodText(), indent, "\n");
TQString body = mb->formatMultiLineText (mb->getText(), bodyIndent, "\n");
TQString endText = mb->formatMultiLineText( mb->getEndMethodText(), indent, "\n");
if(body.isEmpty())
body = " \n";
if(!mb->getWriteOutText() && m_showHiddenBlocks)
{
// it gets the 'hidden' color
bgcolor = getState().hiddenColor;
}
TQString componentName = TQString("<b>parentless method\?</b>");
// ugly, but we need to know if there is a parent object here.
CodeOperation * op = dynamic_cast<CodeOperation*>(mb);
CodeAccessorMethod * accessor = dynamic_cast<CodeAccessorMethod*>(mb);
UMLObject * parentObj = 0;
if(op)
{
parentObj = op->getParentOperation();
if(((UMLOperation*)parentObj)->isConstructorOperation())
componentName = parentDocName + "::operation("+ parentObj->getName()+") constructor method";
else
componentName = parentDocName + "::operation("+ parentObj->getName()+") method";
}
if(accessor)
{
parentObj = accessor->getParentObject();
if(accessor->getParentClassField()->parentIsAttribute()) {
componentName = parentDocName + "::attribute_field(" + parentObj->getName() + ") accessor method";
} else {
UMLRole * role = dynamic_cast<UMLRole*>(parentObj);
componentName = parentDocName + "::association_field(" + role->getName() + ") accessor method";
}
}
//appendText(mb->getComment(), mb, parentObj, componentName);
appendText(mb->getComment(), mb->getComment(), parentObj, componentName);
if(!StringIsBlank(startText))
insert(startText,mb,false,getState().fontColor,bgcolor,parentObj);
// always insert body for methods..IF we don't, we create a
// situation where the user cant edit the body (!)
insert(body,mb,true,getState().fontColor,bgcolor,parentObj);
if(!StringIsBlank(endText))
insert(endText,mb,false,getState().fontColor,bgcolor,parentObj);
}
void CodeEditor::appendText (TextBlock * tb) {
if(!tb->getWriteOutText() && !m_showHiddenBlocks)
return;
TQColor bgcolor = getState().nonEditBlockColor;
if(!tb->getWriteOutText() && m_showHiddenBlocks)
bgcolor = getState().hiddenColor;
TQString str = tb->toString();
insert(str,tb,false,getState().fontColor,bgcolor);
}
void CodeEditor::appendText(HierarchicalCodeBlock * hblock)
{
if(!hblock->getWriteOutText() && !m_showHiddenBlocks)
return;
OwnedHierarchicalCodeBlock * test = dynamic_cast<OwnedHierarchicalCodeBlock *>(hblock);
UMLObject * parentObj = 0;
TQString componentName = TQString("");
TQColor paperColor = getState().nonEditBlockColor;
if(test)
{
parentObj = test->getParentObject();
UMLClassifier *c = dynamic_cast<UMLClassifier*>(parentObj);
if (c) {
TQString typeStr;
if (c->isInterface())
typeStr = "Interface";
else
typeStr = "Class";
componentName = parentDocName + "::" + typeStr + '(' + parentObj->getName() + ')';
} else {
componentName = parentDocName + "::UNKNOWN(" + parentObj->getName() + ')';
}
paperColor = getState().umlObjectColor;
}
if(!hblock->getWriteOutText() && m_showHiddenBlocks)
paperColor = getState().hiddenColor;
TextBlockList * items = hblock->getTextBlockList();
TQString indent = hblock->getIndentationString();
TQString startText = hblock->formatMultiLineText ( hblock->getStartText(), indent, "\n");
TQString endText = hblock->formatMultiLineText( hblock->getEndText(), indent, "\n");
appendText(hblock->getComment(), hblock, parentObj, componentName);
if(!StringIsBlank(startText))
insert(startText,hblock,false,getState().fontColor,paperColor, parentObj);
appendText(items);
if(!StringIsBlank(endText))
insert(endText,hblock,false,getState().fontColor,paperColor);
}
void CodeEditor::insertParagraph ( const TQString & text, int para )
{
TQTextEdit::insertParagraph(text,para);
}
void CodeEditor::removeParagraph ( int para )
{
TQTextEdit::removeParagraph(para);
}
// All umlobjects which may have pop-up boxes should return true here
// Yes, a CRAPPY way of doing this. Im not proud. =b.t.
bool CodeEditor::textBlockIsClickable(UMLObject * obj)
{
if( dynamic_cast<UMLAttribute*>(obj) )
return true;
else if( dynamic_cast<UMLClassifier*>(obj) )
return true;
else if( dynamic_cast<UMLRole*>(obj) )
return true;
else if( dynamic_cast<UMLOperation*>(obj) )
return true;
return false;
}
void CodeEditor::slotChangeSelectedBlockView()
{
TextBlock * tb = m_selectedTextBlock;
if(tb) {
tb->setWriteOutText(tb->getWriteOutText() ? false : true );
rebuildView(m_lastPara);
}
}
// change the status of the comment writeOutText value to
// opposite of current value
void CodeEditor::slotChangeSelectedBlockCommentView()
{
TextBlock * tb = m_selectedTextBlock;
CodeBlockWithComments * cb = 0;
if(tb && (cb = dynamic_cast<CodeBlockWithComments*>(tb)))
{
cb->getComment()->setWriteOutText(cb->getComment()->getWriteOutText() ? false : true );
rebuildView( m_lastPara );
}
}
void CodeEditor::slotInsertCodeBlockBeforeSelected()
{
TextBlock * tb = m_selectedTextBlock;
CodeBlockWithComments * newBlock = m_parentDoc->newCodeBlockWithComments();
newBlock->setText("<<INSERT>>");
newBlock->getComment()->setWriteOutText(false);
m_parentDoc->insertTextBlock(newBlock, tb, false);
int location = m_textBlockList.findRef(m_selectedTextBlock); // find first para of selected block
TQString body = newBlock->formatMultiLineText (newBlock->getText(), newBlock->getIndentationString(), "\n");
insert(body,newBlock,true,getState().fontColor,
getState().editBlockColor,0,TQString("CodeBlock"),location);
}
void CodeEditor::slotInsertCodeBlockAfterSelected()
{
TextBlock * tb = m_selectedTextBlock;
CodeBlockWithComments * newBlock = m_parentDoc->newCodeBlockWithComments();
newBlock->setText("<<INSERT>>");
newBlock->getComment()->setWriteOutText(false);
m_parentDoc->insertTextBlock(newBlock, tb, true);
// find last para of selected block
TextBlockInfo *tbinfo = (*m_tbInfoMap)[m_selectedTextBlock];
ParaInfo * lastpi = tbinfo->m_paraList.last();
int location = m_textBlockList.findRef(m_selectedTextBlock) + lastpi->start + lastpi->size + 1;
TQString body = newBlock->formatMultiLineText (newBlock->getText(), newBlock->getIndentationString(), "\n");
insert(body,newBlock,true,getState().fontColor,
getState().editBlockColor,0,TQString("CodeBlock"),location);
}
TQPopupMenu * CodeEditor::createPopupMenu ( const TQPoint & pos )
{
TextBlock * tb = m_selectedTextBlock;
m_lastPara = paragraphAt(pos);
TQPopupMenu * menu = new TQPopupMenu(this);
// ugh. A bug in the TQt interaction between TQTextEdit and Menu
// can sometimes trigger a clear() call of the text area after
// the popup menu is destroyed. The workaround is to disable
// the behavior by blocking the destroy signal from the menu.
menu->blockSignals(true);
if (m_selectedTextBlock)
{
if(tb->getWriteOutText())
menu->insertItem("Hide",this,TQT_SLOT(slotChangeSelectedBlockView()), Key_H, 0);
else
menu->insertItem("Show",this,TQT_SLOT(slotChangeSelectedBlockView()), Key_S, 0);
CodeBlockWithComments * cb = dynamic_cast<CodeBlockWithComments*>(tb);
if(cb)
if(cb->getComment()->getWriteOutText())
menu->insertItem("Hide Comment",this,TQT_SLOT(slotChangeSelectedBlockCommentView()), CTRL+Key_H, 1);
else
menu->insertItem("Show Comment",this,TQT_SLOT(slotChangeSelectedBlockCommentView()), CTRL+Key_S, 1);
menu->insertSeparator();
menu->insertItem("Insert Code Block Before",this,TQT_SLOT(slotInsertCodeBlockBeforeSelected()), CTRL+Key_B, 2);
menu->insertItem("Insert Code Block After",this,TQT_SLOT(slotInsertCodeBlockAfterSelected()), CTRL+Key_A, 3);
menu->insertSeparator();
menu->insertItem("Copy",this,TQT_SLOT(slotCopyTextBlock()), CTRL+Key_C, 4);
menu->insertItem("Paste",this,TQT_SLOT(slotPasteTextBlock()), CTRL+Key_V, 5);
menu->insertItem("Cut",this,TQT_SLOT(slotCutTextBlock()), CTRL+Key_X, 6);
// enable/disable based on conditions
if(m_selectedTextBlock == m_parentDoc->getHeader())
menu->setItemEnabled (2, false);
if(!m_textBlockToPaste)
menu->setItemEnabled (5, false);
if(!tb->canDelete())
menu->setItemEnabled (6, false);
// manythings cant be copied. RIght now, lets just limit ourselves to
// owned things and hierarchicalcodeblocks
if(dynamic_cast<OwnedCodeBlock*>(m_selectedTextBlock) ||
dynamic_cast<HierarchicalCodeBlock*>(m_selectedTextBlock))
menu->setItemEnabled (4, false);
// TBD
// m_selectedTextBlock->insertCodeEditMenuItems(menu, this);
}
return menu;
}
void CodeEditor::slotCopyTextBlock ( )
{
// make a copy
if(dynamic_cast<HierarchicalCodeBlock*>(m_selectedTextBlock))
m_textBlockToPaste = m_parentDoc->newHierarchicalCodeBlock();
else if(dynamic_cast<CodeBlockWithComments*>(m_selectedTextBlock))
m_textBlockToPaste = m_parentDoc->newCodeBlockWithComments();
else if(dynamic_cast<CodeBlock*>(m_selectedTextBlock))
m_textBlockToPaste = m_parentDoc->newCodeBlock();
else if(dynamic_cast<CodeComment*>(m_selectedTextBlock))
m_textBlockToPaste = CodeGenFactory::newCodeComment(m_parentDoc);
else
{
kError()<<" ERROR: CodeEditor can't copy selected block:"<<m_selectedTextBlock<<" of unknown type"<<endl;
m_textBlockToPaste = 0;
return; // error!
}
m_textBlockToPaste->setAttributesFromObject(m_selectedTextBlock);
}
void CodeEditor::slotCutTextBlock ( ) {
// make a copy first
slotCopyTextBlock();
// This could cause problems, but we are OK as
// long as we only try to delete 'canDelete' textblocks
if(m_selectedTextBlock->canDelete())
{
// just in case there are pending edits
// we don't want to lose them
if (m_lastTextBlockToBeEdited && m_lastTextBlockToBeEdited == (CodeBlock*) m_selectedTextBlock)
{
updateTextBlockFromText (m_lastTextBlockToBeEdited);
m_lastTextBlockToBeEdited = 0;
}
m_parentDoc->removeTextBlock(m_selectedTextBlock);
rebuildView(m_lastPara);
// removeTextBlock(m_selectedTextBlock);
m_selectedTextBlock = 0;
}
}
void CodeEditor::slotPasteTextBlock ( ) {
if(m_textBlockToPaste)
{
m_parentDoc->insertTextBlock(m_textBlockToPaste, m_selectedTextBlock);
m_textBlockToPaste = 0;
rebuildView(m_lastPara);
}
}
void CodeEditor::slotRedrawText() {
rebuildView(m_lastPara);
}
void CodeEditor::init ( CodeViewerDialog * parentDlg, CodeDocument * parentDoc ) {
// safety to insure that we are up to date
parentDoc->synchronize();
m_parentDlg = parentDlg;
m_parentDoc = parentDoc;
setUndoRedoEnabled( false );
setCursor( TQCursor( 0 ) );
setMouseTracking( true );
setReadOnly (true);
m_isHighlighted = getState().blocksAreHighlighted;
m_showHiddenBlocks = getState().showHiddenBlocks;
m_newLinePressed = false;
m_backspacePressed = false;
m_textBlockToPaste = 0;
m_selectedTextBlock = 0;
m_lastTextBlockToBeEdited = 0;
m_tbInfoMap = new TQMap<TextBlock *, TextBlockInfo*>;
setFont( getState().font );
// set name of parent doc
ClassifierCodeDocument * cdoc = dynamic_cast<ClassifierCodeDocument*>(m_parentDoc);
if(cdoc)
parentDocName = cdoc->getParentClassifier()->getName();
else
parentDocName = "";
// set some viewability parameters
//int margin = fontMetrics().height();
TQBrush pbrush = TQBrush ( getState().paperColor);
setPaper(pbrush);
// setMargin(margin);
// connect(this,TQT_SIGNAL(newLinePressed()),this,TQT_SLOT(newLinePressed()));
// connect(this,TQT_SIGNAL(backspacePressed()),this,TQT_SLOT(backspacePressed()));
connect(this,TQT_SIGNAL(doubleClicked(int,int)),this,TQT_SLOT(doubleClicked(int,int)));
connect(this,TQT_SIGNAL(cursorPositionChanged(int,int)),this,TQT_SLOT(cursorPositionChanged(int,int)));
// do this last
loadFromDocument();
}
void CodeEditor::updateTextBlockFromText (TextBlock * block) {
if (block) {
CodeMethodBlock * cmb = dynamic_cast<CodeMethodBlock*>(block);
//TQString baseIndent = block->getNewEditorLine(block->getIndentationLevel()+(cmb ? 1 : 0));
TQString baseIndent = block->getIndentationString(block->getIndentationLevel()+(cmb ? 1 : 0));
TextBlockInfo *info = (*m_tbInfoMap)[block];
UMLObject * parentObj = info->getParent();
int pstart = m_textBlockList.findRef(block);
TQString content = "";
// Assemble content from editiable paras
TQPtrList<ParaInfo> list = info->m_paraList;
for(ParaInfo * item = list.first(); item; item=list.next())
{
if(item->isEditable)
{
int lastpara = item->start+pstart+item->size;
int endEdit = block->lastEditableLine();
int lastLineToAddNewLine = lastpara + endEdit;
for(int para=(item->start+pstart);para<=lastpara;para++)
{
TQString line = block->unformatText(text(para), baseIndent);
content += line;
// \n are implicit in the editor (!) so we should put them
// back in, if there is any content from the line
if(!line.isEmpty() && para != lastLineToAddNewLine)
content += "\n";
}
}
}
//cerr<<"UPDATE GOT CONTENT:["<<content.latin1()<<"] to block:"<<block<<endl;
block->setText(content);
// if a parent for the block, try to set its documentation
// as long as its NOT an accessor codeblock.
if(parentObj && !info->isCodeAccessorMethod)
parentObj->setDoc(content);
// make note that its now user generated
if(cmb)
cmb->setContentType(CodeBlock::UserGenerated);
}
}
void CodeEditor::cursorPositionChanged(int para, int pos)
{
// safety.. this is endemic of a 'bad' pointer event and can crash us otherwise
if(pos < 0)
return;
// bool lastParaIsEditable = isReadOnly() ? false : true;
bool lastParaIsEditable = isParaEditable(m_lastPara);
// IF last para where cursor is coming from was editable
// we have a variety of things to look out for.
if(lastParaIsEditable)
{
// If we got here as the result of a newline, then expansion
// of a para editablity occurs.
if((para-1) == m_lastPara && m_newLinePressed )
expandSelectedParagraph ( m_lastPara );
// conversely, we contract the zone of editablity IF we
// got to current position as result of backspace
if((para+1) == m_lastPara && m_backspacePressed )
contractSelectedParagraph( para );
}
// now check if the current paragraph is really editiable, and if so,
// so some things
bool editPara = isParaEditable(para);
if(editPara) {
TextBlock * tBlock = m_textBlockList.at(para);
CodeMethodBlock * cmb = dynamic_cast<CodeMethodBlock*>(tBlock);
// auto-indent new lines
TQString currentParaText = text(para);
TQString baseIndent = tBlock->getNewEditorLine(tBlock->getIndentationLevel()+(cmb ? 1 : 0));
// cerr<<"AUTO INDENT:["<<baseIndent.latin1()<<"] isMethod?"<<(cmb?"true":"false")<<endl;
int minPos = baseIndent.length();
// add indent chars to the current line, if missing
if(!m_backspacePressed && !currentParaText.contains(TQRegExp('^'+baseIndent)))
{
insertAt(baseIndent,para,0);
setCursorPosition(para,pos+minPos);
return;
}
if(pos<minPos)
{
bool priorParaIsEditable = isParaEditable(para-1);
if(m_backspacePressed && para && priorParaIsEditable)
{
int endOfPriorLine = paragraphLength(para-1);
// IN this case, we remove old (para) line, and tack its
// contents on the line we are going to.
TQString contents = text(para);
contents = contents.right(contents.length()-m_lastPos+1);
// this next thing happens when we arent deleting last line
// of editable text, so we want to append whats left of this line
// onto the one we are backspacing into
if(paraIsNotSingleLine(para))
{
removeParagraph(para);
insertAt(contents,(para-1),endOfPriorLine);
setCursorPosition((para-1),endOfPriorLine);
}
} else {
// well, if the following is true, then they
// are trying to hack away at the last line, which
// we cant allow to entirely disappear. Lets preserve
// the indentation
if(m_backspacePressed && !priorParaIsEditable)
{
TQString contents = text(para);
contents = contents.right(contents.length()-m_lastPos+1);
contents = baseIndent + contents.left(contents.length()-1); // left is to remove trailing space
insertParagraph(contents,para+1);
removeParagraph(para);
// furthermore, IF its nothing but indentation + whitespace
// we switch this back to Auto-Generated.
if(cmb && contents.contains(TQRegExp('^'+baseIndent+"\\s$")))
{
cmb->setContentType(CodeBlock::AutoGenerated);
cmb->syncToParent();
}
}
// send them to the first spot in the line which is editable
setCursorPosition(para,minPos);
}
return;
}
}
// look for changes in editability, if they occur, we need to record
// the edits which have been made
if((editPara && !m_lastTextBlockToBeEdited) || (!editPara && m_lastTextBlockToBeEdited)) {
setReadOnly(editPara ? false : true);
// IF this is a different text block, update the body of the method
// it belongs to
if(m_lastTextBlockToBeEdited && (m_lastTextBlockToBeEdited != m_textBlockList.at(para) || !editPara))
{
updateTextBlockFromText (m_lastTextBlockToBeEdited);
m_lastTextBlockToBeEdited = 0;
}
if(editPara)
m_lastTextBlockToBeEdited = m_textBlockList.at(para);
else
m_lastTextBlockToBeEdited = 0;
}
m_lastPara = para;
m_lastPos = pos;
m_newLinePressed = false;
m_backspacePressed = false;
}
bool CodeEditor::paraIsNotSingleLine (int para)
{
TextBlock * tBlock = m_textBlockList.at(para);
if(tBlock)
{
int pstart = m_textBlockList.findRef(tBlock);
TextBlockInfo *info = (*m_tbInfoMap)[tBlock];
TQPtrList<ParaInfo> list = info->m_paraList;
for(ParaInfo * item = list.first(); item; item=list.next())
if((pstart+item->start) <= para && (item->start+pstart+item->size) >= para )
if(item->size > 0)
return true;
}
return false;
}
bool CodeEditor::isParaEditable (int para) {
if (para <0)
return false;
TextBlock * tBlock = m_textBlockList.at(para);
if(tBlock)
{
int editStart = tBlock->firstEditableLine();
int editEnd = tBlock->lastEditableLine();
bool hasEditableRange = (editStart > 0 || editEnd < 0) ? true : false;
TextBlockInfo *info = (*m_tbInfoMap)[tBlock];
int pstart = m_textBlockList.findRef(tBlock);
int relativeLine = para - pstart;
TQPtrList<ParaInfo> list = info->m_paraList;
for(ParaInfo * item = list.first(); item; item=list.next())
{
if((item->start+pstart) <= para && (item->start+pstart+item->size) >= para)
if(item->isEditable && hasEditableRange)
{
if ( relativeLine >= editStart && relativeLine <= (item->size + editEnd) )
return true;
else
return false;
} else
return item->isEditable;
}
}
return false;
}
void CodeEditor::changeTextBlockHighlighting(TextBlock * tBlock, bool selected) {
if(tBlock)
{
TextBlockInfo *info = (*m_tbInfoMap)[tBlock];
TQPtrList<ParaInfo> list = info->m_paraList;
int pstart = m_textBlockList.findRef(tBlock);
for(ParaInfo * item = list.first(); item; item=list.next())
for(int p=(item->start+pstart);p<=(item->start+pstart+item->size);p++)
if(selected)
if(info->isClickable)
setParagraphBackgroundColor(p,getState().selectedColor);
else
setParagraphBackgroundColor(p,getState().nonEditBlockColor);
else if(m_isHighlighted)
setParagraphBackgroundColor(p,item->bgcolor);
else
setParagraphBackgroundColor(p,getState().paperColor);
}
}
void CodeEditor::changeShowHidden (int signal) {
if(signal)
m_showHiddenBlocks = true;
else
m_showHiddenBlocks = false;
rebuildView(m_lastPara);
}
// colorizes/uncolorizes type for ALL paragraphs
void CodeEditor::changeHighlighting(int signal) {
int total_para = paragraphs()-1;
if(signal) {
// we want to highlight
m_isHighlighted = true;
for(int para=0;para<total_para;para++)
{
TextBlock * tblock = m_textBlockList.at(para);
changeTextBlockHighlighting(tblock,false);
}
} else {
// we DON'T want to highlight
m_isHighlighted = false;
for(int para=0;para<total_para;para++)
setParagraphBackgroundColor(para,getState().paperColor);
}
// now redo the "selected" para, should it exist
if(m_selectedTextBlock)
changeTextBlockHighlighting(m_selectedTextBlock,true);
}
void CodeEditor::contractSelectedParagraph( int paraToRemove ) {
TextBlock * tBlock = m_textBlockList.at(paraToRemove);
if(tBlock)
{
int pstart = m_textBlockList.findRef(tBlock);
TextBlockInfo *info = (*m_tbInfoMap)[tBlock];
TQPtrList<ParaInfo> list = info->m_paraList;
bool lowerStartPosition = false;
for(ParaInfo * item = list.first(); item; item=list.next())
{
if(lowerStartPosition)
item->start -= 1;
if((pstart+item->start) <= paraToRemove && (item->start+pstart+item->size) >= paraToRemove)
{
item->size -= 1;
// a little cheat.. we don't want to remove last line as we need
// to leave a place that can be 'edited' by the tool IF the user
// changes their mind about method body content
if(item->size < 0)
item->size = 0;
lowerStartPosition = true;
}
}
m_textBlockList.remove(paraToRemove);
}
}
void CodeEditor::expandSelectedParagraph( int priorPara ) {
TextBlock * tBlock = m_textBlockList.at(priorPara);
if(tBlock)
{
// add this tBlock in
m_textBlockList.insert(priorPara,tBlock);
TextBlockInfo *info = (*m_tbInfoMap)[tBlock];
TQPtrList<ParaInfo> list = info->m_paraList;
int pstart = m_textBlockList.findRef(tBlock);
// now update the paragraph information
bool upStartPosition = false;
for(ParaInfo * item = list.first(); item; item=list.next())
{
// AFTER we get a match, then following para's need to have start position upped too
if(upStartPosition)
item->start += 1;
if((pstart+item->start) <= priorPara && (item->start+pstart+item->size) >= priorPara)
{
item->size += 1;
cursorPositionChanged(m_lastPara, m_lastPos);
upStartPosition = true;
}
}
}
}
void CodeEditor::contentsMouseMoveEvent ( TQMouseEvent * e )
{
int para = paragraphAt(e->pos());
if (para < 0)
return; // shouldn't happen..
TextBlock * tblock = m_textBlockList.at(para);
if (tblock && m_selectedTextBlock != tblock ) {
TextBlockInfo * info = (*m_tbInfoMap)[tblock];
// unhighlight old selected textblock regardless of whether
// it was selected or not.
changeTextBlockHighlighting(m_selectedTextBlock,false);
// highlight new block
changeTextBlockHighlighting(tblock,true);
// FIX: update the label that shows what type of component this is
getComponentLabel()->setText("<b>"+info->displayName+"</b>");
m_selectedTextBlock = tblock;
if(m_lastTextBlockToBeEdited)
{
updateTextBlockFromText (m_lastTextBlockToBeEdited);
m_lastTextBlockToBeEdited = 0;
}
}
// record this as the last paragraph
}
// Rebuild our view of the document. Happens whenever we change
// some field/aspect of an underlying UML object used to create
// the view.
// If connections are right, then the UMLObject will send out the modified()
// signal which will trigger a call to re-generate the appropriate code within
// the code document. Our burden is to appropriately prepare the tool: we clear
// out ALL the textblocks in the TQTextEdit widget and then re-show them
// after the dialog disappears
void CodeEditor::rebuildView( int startCursorPos ) {
loadFromDocument();
// make a minima attempt to leave the cursor (view of the code) where
// we started
int new_nrof_para = paragraphs() -1;
setCursorPosition((startCursorPos < new_nrof_para ? startCursorPos : 0), 0);
}
#include "codeeditor.moc"
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