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% Copyright 2006 2015 Radu-George Radulescu, Ovidiu Gheorghies
% Licensed under the Apache License, Version 2.0.
if known _metauml_component_mp:
expandafter endinput
fi;
_metauml_component_mp:=1;
% Sadly, this copy of the macro is needed to prevent multiple file loads being shown by MetaPost.
% The guard values (such as _metauml_mp) do ensure that the file isn't loaded multiple times,
% but this macro makes sure that MetaPost won't try to load the file and display a message for that.
def inputonce text libraryFile=
if not known scantokens ("_" & str libraryFile & "_mp"):
%includeonce% show "Loading " & str libraryFile;
scantokens ("input " & str libraryFile);
else:
%includeonce% show str libraryFile & " already loaded.";
fi;
enddef;
inputonce metauml_defaults;
inputonce util_log;
vardef ComponentInfo@#=
attributes(@#);
var(color) foreColor, borderColor;
var(numeric) minimumNameContentsDifference;
FontInfo.@#iFont(metauml_defaultFont, defaultscale);
@#iFont.ignoreNegativeBase := 1;
PictureInfo.@#iText (2, 2, 2, 2)(@#iFont);
PictureStackInfo.@#iNameStack (2, 2, 2, 2)(9)(@#iText);
@#iNameStack.iPict.ignoreNegativeBase := 1;
Margins.@#(2,2,2,2);
ShadeInfo.@#iShade;
@#foreColor := .9white;
@#borderColor := black;
@#minimumNameContentsDifference := 20;
GroupInfo.@#iContentsGroup(2, 2, 10, 2);
enddef;
vardef ComponentInfoCopy@#(text src)=
log "ComponentInfoCopy: Copying component info";
attributes(@#);
var(color) foreColor, borderColor;
var(numeric) minimumNameContentsDifference;
PictureStackInfoCopy.@#iNameStack (src.iNameStack);
MarginsCopy.@#(src);
ShadeInfoCopy.@#iShade(src.iShade);
@#foreColor := src.foreColor;
@#borderColor := src.borderColor;
@#minimumNameContentsDifference := src.minimumNameContentsDifference;
GroupInfoCopy.@#iContentsGroup(src.iContentsGroup);
enddef;
ComponentInfo.iComponent;
vardef Component@#(text contents)(text _subItems)=
EComponent.@#(iComponent)(contents)(_subItems);
enddef;
vardef EComponent@#(text _info)(text contents)(text _subItems)=
ObjectEquations(@#);
@#className := "Component";
ComponentInfoCopy.@#info(_info);
numeric @#nLines; @#nLines := 0;
string @#lines[];
numeric @#nSubItems; @#nSubItems := 0;
for l=contents:
@#lines[@#nLines] := l;
@#nLines := @#nLines + 1;
endfor;
for s=_subItems:
@#nSubItems := @#nSubItems + 1;
endfor;
EGroup.@#subItems(@#info.iContentsGroup)(_subItems);
EPictureStack.@#nameStack(@#info.iNameStack)(scantokens listArray(@#lines)(@#nLines))("vcenterbase");
enddef;
vardef Component_layout@#=
if @#laidout = 1:
log "Component '" & (str @#) & "' has already been layed out";
else:
@#laidout := 1;
log "Component layout: '" & (str @#) & "'";
log "Component name layout '" & (str @#) & "'...";
PictureStack_layout.@#nameStack;
log "SubItems for component layout '" & (str @#) & "'...";
Group_layout.@#subItems;
log "All elements in component '" & (str @#) & "' successfully layed out, integrating...";
if @#subItems.width < @#nameStack.width + @#info.minimumNameContentsDifference:
@#contentWidth = @#nameStack.width + @#info.minimumNameContentsDifference;
else:
@#contentWidth = lmax(@#nameStack.width, @#subItems.width);
fi;
@#width = @#contentWidth + @#info.left + @#info.right + 15;
if @#nSubItems = 0:
@#height = @#info.top + @#info.bottom + @#subItems.height + 15;
@#nameStack.n = @#n - (0, 7);
else:
@#height = @#info.top + @#info.bottom + @#subItems.height + 30;
@#nameStack.n = @#n + (0, @#info.top) - (0, 5);
fi;
@#subItems.n = @#n + (0, -((@#height - @#subItems.height)/2)) - (0, 5);
log "Component layout for " & (str @#) & " ended.";
fi;
enddef;
vardef Component_draw@#=
Component_layout.@#;
objectEnsurePositioning.@#;
attributes(@#);
var(path) border;
@#border := @#ne -- @#nw -- @#sw -- @#se -- cycle;
drawObjectShade(@#);
fill @#border withcolor @#info.foreColor;
draw @#border withcolor @#info.borderColor;
drawComponentVisualStereotype(@#ne);
drawObject(@#nameStack);
drawObject(@#subItems);
enddef;
vardef drawComponentVisualStereotype(text ne)=
% lud = left-up-down of the top-right rectangle; luu = left-up-up of the top-right rectangle etc.
pair lud, luu, ru, rd, ldd, ldu, lmd, lmu;
% urectld = upper rectangle left-down, lrectru = lower rectangle right-up
pair urectld, urectlu, urectru, urectrd, lrectld, lrectlu, lrectru, lrectrd;
lud = ne - (14, 5 );
luu = lud + (0, 2 );
ru = luu + (8, 0 );
rd = ru - (0, 14);
ldd = rd - (8, 0 );
ldu = ldd + (0, 2 );
lmd = ldu + (0, 3 );
lmu = lud - (0, 3 );
urectld = lmu - (3, 0);
urectlu = lud - (3, 0);
urectru = lud + (3, 0);
urectrd = lmu + (3, 0);
lrectld = ldu - (3, 0);
lrectlu = lmd - (3, 0);
lrectru = lmd + (3, 0);
lrectrd = ldu + (3, 0);
draw lud -- luu -- ru -- rd -- ldd -- ldu;
draw lmd -- lmu;
draw urectld -- urectlu -- urectru -- urectrd -- urectld;
draw lrectld -- lrectlu -- lrectru -- lrectrd -- lrectld;
enddef;
vardef Component_border@#=
@#border
enddef;
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