ssdtripleclassbox.c

这个工具集提供以下结构化分析和UML分析中所用的图形化绘图工具：ER-diagrams, data and event flow diagrams and state-transition diagr

                pt.y = GetTopMost() + nameHeight/2;
        GetName()->SetPosition(&pt);

        pt.y = GetTopMost() + snpHeight;
        pt.y += (3*textHeight)/4;
        for (GetLabels()->first(); !GetLabels()->done(); GetLabels()->next()) {
                TextShape *t = GetLabels()->cur();
                // position and left adjust textshape
                int w = t->GetStringWidth();
                pt.x = GetLeftMost() + w/2 + TEXTMARGIN;
                t->SetPosition(&pt);
                pt.y += textHeight;
        }

	//  Operation part
	CalcPositionLabels2();

        // set index label position.
        pt.x = GetName()->GetPosition()->x + GetWidth()*5/12;
        pt.y = GetName()->GetPosition()->y - nameHeight/4;
        GetIndexLabel()->SetPosition(&pt);

	if (showStereotype)
		CalcPositionStereotypeLabel();
        if (showProperties)
                CalcPositionPropertiesLabel();
}

void SSDTripleClassBox::CalcPositionLabels2() {
        Point pt = *GetPosition();
        pt.y = GetTopMost() + DoubleBoxHeight();
        int textHeight = GetName()->GetFontHeight();
        pt.y += (3*textHeight)/4;
        for (GetLabels2()->first(); !GetLabels2()->done(); GetLabels2()->next()) {
                TextShape *t = GetLabels2()->cur();
                // position and left adjust textshape
                int w = t->GetStringWidth();
                // int h = t->GetHeight();
                pt.x = GetLeftMost() + w/2 + TEXTMARGIN;
                t->SetPosition(&pt);
                pt.y += textHeight;
        }
}

void SSDTripleClassBox::CalcPositionStereotypeLabel() {
        int textHeight = GetName()->GetFontHeight();
        Point pt;
        pt.x = GetPosition()->x;
        pt.y = GetTopMost() + textHeight/2;
        stereotypeLabel->SetPosition(&pt);
}

void SSDTripleClassBox::CalcPositionPropertiesLabel() {
        int textHeight = GetName()->GetFontHeight();
	int addLines = (showStereotype ? 1 : 0);
	// min_firstboxlines : 2 when no <<stereotype>> / {props} shown
	int min_firstboxlines = ((showStereotype || showProperties) ? 1 : 2);
        int labelLines = max(GetName()->GetString()->lines(),min_firstboxlines);
        int snHeight = (addLines+labelLines) * textHeight;

        int propHeight = (showProperties ?
                        GetPropertiesLabelString()->lines()*textHeight : 0);
        Point pt;
        pt.x = GetPosition()->x;
        pt.y = GetTopMost() + snHeight + propHeight/2;
        propertiesLabel->SetPosition(&pt);
}

int SSDTripleClassBox::RequiredHeight() {
        // int textHeight = GetName()->GetFontHeight();
	int addLines = (showStereotype ? 1 : 0);
	// min_firstboxlines : 2 when no <<stereotype>> / {props} shown
	// int min_firstboxlines = ((showStereotype || showProperties) ? 1 : 2);
        // int labelLines = max(GetName()->GetString()->lines(),min_firstboxlines);
	// calculate first_compartmentHeight
        if (showProperties)
                addLines += GetPropertiesLabelString()->lines();
        // int snpHeight = (addLines+labelLines) * textHeight;
        // int propHeight = GetPropertiesLabelString()->lines() * textHeight;
 
        // int ht = (snpHeight + textHeight + GetLabels()->count()*textHeight);
        // int ht2 = (snpHeight + int(1.5*textHeight) + GetLabels()->count()*textHeight +
        //		textHeight + GetLabels2()->count()*textHeight);
	// int dboxHeight = DoubleBoxHeight();
	int tboxHeight = TripleBoxHeight();
        return max(tboxHeight, GetInitialHeight());
}

int SSDTripleClassBox::RequiredWidth() {
	int twidth = GetName()->GetWidth();
	if (showStereotype)
		twidth = max(twidth, GetStereotypeLabel()->GetWidth());
	if (showProperties)
		twidth = max(twidth, GetPropertiesLabel()->GetWidth());
	// Labels
	for (GetLabels()->first(); !GetLabels()->done(); GetLabels()->next()) {
		int wd = GetLabels()->cur()->GetStringWidth();
		twidth = max(twidth, wd);
	}
	for (GetLabels2()->first(); !GetLabels2()->done(); GetLabels2()->next()) {
		int wd = GetLabels2()->cur()->GetStringWidth();
		twidth = max(twidth, wd);
	}
        return twidth;
}

int SSDTripleClassBox::DoubleBoxHeight() {
        int textHeight = GetName()->GetFontHeight();
	int addLines = (showStereotype ? 1 : 0);
	// min_firstboxlines : 2 when no <<stereotype>> / {props} shown
	int min_firstboxlines = ((showStereotype || showProperties) ? 1 : 2);
        int labelLines = max(GetName()->GetString()->lines(),min_firstboxlines);
	// calculate first_compartmentHeight
        if (showProperties)
                addLines += GetPropertiesLabelString()->lines();
        int snpHeight = (addLines+labelLines) * textHeight;
        if (NrLabels() == 0)
                return int(snpHeight + 1.5*textHeight);
        else
                return int(snpHeight + (1 + NrLabels())*textHeight);
}

int SSDTripleClassBox::TripleBoxHeight() {
        int rval1, rval2;
        int textHeight = GetName()->GetFontHeight();
	int addLines = (showStereotype ? 1 : 0);
	// min_firstboxlines : 2 when no <<stereotype>> / {props} shown
	int min_firstboxlines = ((showStereotype || showProperties) ? 1 : 2);
        int labelLines = max(GetName()->GetString()->lines(),min_firstboxlines);
	// calculate first_compartmentHeight
        if (showProperties)
                addLines += GetPropertiesLabelString()->lines();
        int snpHeight = (addLines+labelLines) * textHeight;
        if (NrLabels() == 0)
                rval1 = int(snpHeight + 1.5*textHeight);
        else
                rval1 = int(snpHeight + (1 + NrLabels())*textHeight);
        if (NrLabels2() == 0)
                rval2 = int(1.0*textHeight);
        else
                rval2 = int((1 + NrLabels2())*textHeight);
	return (rval1+rval2);
}

TextShape *SSDTripleClassBox::ChooseTextShape(int x, int y) {
        // in first part (of the class name) ?
        int textHeight = GetName()->GetFontHeight();
	int addLines = (showStereotype ? 1 : 0);
	// min_firstboxlines : 2 when no <<stereotype>> / {props} shown
	int min_firstboxlines = ((showStereotype || showProperties) ? 1 : 2);
        int labelLines = max(GetName()->GetString()->lines(),min_firstboxlines);
        int snHeight = (addLines+labelLines) * textHeight;
	// calculate first_compartmentHeight
        if (showProperties)
                addLines += GetPropertiesLabelString()->lines();
        int snpHeight = (addLines+labelLines) * textHeight;
        int dboxHeight = DoubleBoxHeight();
        int pos_y = GetTopMost() + snpHeight;
        int attr_y = GetTopMost() + dboxHeight;
        if (y <= pos_y) {
                if (showStereotype) {
                        if (y <= GetTopMost() + textHeight)
                                return GetStereotypeLabel();
                }
                if (GetViewer()->IsShowIndexes() && !IsFixedIndexLabel()) {
                        if (y <= GetName()->GetPosition()->y &&
                            x >= GetName()->GetPosition()->x + GetWidth()/3)
                                return GetIndexLabel();
                }
                if (y > GetTopMost() + snHeight)
                        return GetPropertiesLabel();
                if (!IsFixedName())
                        return GetName();
        }
	else if (y <= attr_y) {		// in attribute part
		pos_y += textHeight/2;
		for (GetLabels()->first(); !GetLabels()->done();
		     GetLabels()->next()) {
			pos_y += textHeight;
			if (pos_y >= GetBottomMost())
				return 0;
			else if (y <= pos_y)
				return GetLabels()->cur();
		}
		if (GetViewer()->IsEditing())
			return 0;
		// somewhere down the list; create a new label.
		TextShape *t = new TextShape(GetView(), GetGrafport(), this);
		t->SetAlignment(TextAlign::LEFT);
		t->SetSequence(GetLabels()->count());
		t->SetDescription(&labelDescription);
		t->SetFont(GetName()->GetFont());
		t->SetColor(GetName()->GetColor());
		Undraw();
		GetLabels()->add(t);
//		CalcPositionLabels();
		// move text shape to a better position.
		Point pt = *t->GetPosition();
		pt.x += GetWidth()/2 - TEXTMARGIN;
		t->SetPosition(&pt);
		Draw();
		return t;
        }
	else {	// in operation part
        	pos_y = GetTopMost() + dboxHeight;
		pos_y += textHeight/2;
		for (GetLabels2()->first(); !GetLabels2()->done();
		     GetLabels2()->next()) {
			pos_y += textHeight;
			if (pos_y >= GetBottomMost())
				return 0;
			else if (y <= pos_y)
				return GetLabels2()->cur();
		}
		if (GetViewer()->IsEditing())
			return 0;
		// somewhere down the list; create a new label.
		TextShape *t = new TextShape(GetView(), GetGrafport(), this);
		t->SetAlignment(TextAlign::LEFT);
		t->SetSequence(GetLabels2()->count());
		t->SetDescription(&label2Description);
		t->SetFont(GetName()->GetFont());
		t->SetColor(GetName()->GetColor());
		Undraw();
		GetLabels2()->add(t);
		CalcPositionLabels2();
		// move text shape to a better position.
		Point pt = *t->GetPosition();
		pt.x += GetWidth()/2 - TEXTMARGIN;
		t->SetPosition(&pt);
		Draw();
		return t;
	}
	return 0;	// dummy statement shuts up compiler
}

void SSDTripleClassBox::UpdateStereotypeLabelString(const string *s) {
        if (IsVisible())
                Undraw();
        SetStereotypeLabelString(s);
        if (IsVisible())
                Draw();
}
 
void SSDTripleClassBox::UpdatePropertiesLabelString(const string *s) {
        if (IsVisible())
                Undraw();
        SetPropertiesLabelString(s);
        if (IsVisible())
                Draw();
}
 
bool SSDTripleClassBox::ReadMembers(InputFile *ifile, double format) {
        if (!TripleClassBox::ReadMembers(ifile, format))
                return False;
        if (format >= 1.28) {
                string val;
                if (!ifile->ReadAttribute("ShowStereotype", &val))
                        return False;
                showStereotype = (val == "True");
                if (!ifile->ReadAttribute("ShowProperties", &val))
                        return False;
                showProperties = (val == "True");
        }
        else {
                showStereotype = False;
                showProperties = False;
        }
	return True;
}
 
void SSDTripleClassBox::WriteMembers(OutputFile *ofile) {
        TripleClassBox::WriteMembers(ofile);
        (*ofile) << "\t{ ShowStereotype " << (showStereotype?"True":"False") << " }\n";
        (*ofile) << "\t{ ShowProperties " << (showProperties?"True":"False") << " }\n";
}