boolean Command::Reversible () {
boolean reversible = true;
Clipboard* cb = GetClipboard();
if (cb == nil) {
Editor* ed = GetEditor();
Selection* s = (ed == nil) ? nil : ed->GetSelection();
reversible = (s == nil) || !s->IsEmpty();
} else {
reversible = !cb->IsEmpty();
}
return reversible;
}
void GroupCmd::Execute () {
Clipboard* cb = GetClipboard();
if (cb == nil) {
SetClipboard(cb = new Clipboard);
Editor* ed = GetEditor();
Selection* s = ed->GetSelection();
if (s->Number() > 1) {
Iterator i;
GraphicView* views = ed->GetViewer()->GetGraphicView();
s->Sort(views);
for (s->First(i); !s->Done(i); s->Next(i)) {
s->GetView(i)->Interpret(this);
}
}
} else {
Clipboard* oldcb = cb;
SetClipboard(cb = new Clipboard);
Iterator i;
for (oldcb->First(i); !oldcb->Done(i); oldcb->Next(i)) {
oldcb->GetComp(i)->Interpret(this);
}
delete oldcb;
}
if (!cb->IsEmpty()) {
if (_group == nil) {
SetGroup(new GraphicComps);
}
_group->Interpret(this);
_executed = true;
}
}
boolean GraphExportCmd::Export (const char* pathname) {
Editor* editor = GetEditor();
Selection* s = editor->GetSelection();
GraphIdrawComp* real_top = (GraphIdrawComp*)editor->GetComponent();
boolean ok = false;
char* old_format = NULL;
boolean empty = s->IsEmpty();
GraphIdrawComp* false_top = new GraphIdrawComp();
Iterator i;
empty ? real_top->First(i) : s->First(i);
while (empty ? !real_top->Done(i) : !s->Done(i)) {
if (chooser_->idraw_format() || chooser_->postscript_format()) {
OverlayComp* oc = empty
? new OverlayComp(real_top->GetComp(i)->GetGraphic()->Copy())
: new OverlayComp(s->GetView(i)->GetGraphicComp()->GetGraphic()->Copy());
false_top->Append(oc);
} else {
OverlayComp* oc = empty
? (OverlayComp*)real_top->GetComp(i)->Copy()
: (OverlayComp*)s->GetView(i)->GetGraphicComp()->Copy();
false_top->Append(oc);
}
empty ? real_top->Next(i) : s->Next(i);
}
OverlayPS* ovpsv;
if (chooser_->idraw_format() || chooser_->postscript_format())
ovpsv = (OverlayPS*) false_top->Create(POSTSCRIPT_VIEW);
else {
ovpsv = (OverlayPS*) false_top->Create(SCRIPT_VIEW);
if(strcmp(chooser_->format(), "dot")==0) {
old_format = OverlayScript::format() ? strnew(OverlayScript::format()) : NULL;
OverlayScript::format("dot");
}
}
if (ovpsv != nil) {
filebuf fbuf;
char* tmpfilename;
if (chooser_->to_printer()) {
tmpfilename = tmpnam(nil);
false_top->SetPathName(tmpfilename);
ok = fbuf.open(tmpfilename, output) != 0;
} else {
ok = fbuf.open(pathname, output) != 0;
}
if (ok) {
ostream out(&fbuf);
false_top->Attach(ovpsv);
ovpsv->SetCommand(this);
if (!chooser_->idraw_format() && !chooser_->postscript_format())
((GraphIdrawScript*)ovpsv)->SetByPathnameFlag(chooser_->by_pathname_flag());
ovpsv->Update();
ok = ovpsv->Emit(out);
fbuf.close();
if (chooser_->to_printer()) {
char cmd[CHARBUFSIZE];
if (strstr(pathname, "%s")) {
char buf[CHARBUFSIZE];
sprintf(buf, pathname, tmpfilename);
sprintf(cmd, "(%s;rm %s)&", buf, tmpfilename);
} else
sprintf(cmd, "(%s %s;rm %s)&", pathname, tmpfilename, tmpfilename);
ok = system(cmd) == 0;
}
}
delete ovpsv;
}
delete false_top;
if (old_format) {
OverlayScript::format(old_format);
delete old_format;
}
return ok;
}
void OverlaysComp::Uninterpret (Command* cmd) {
Editor* ed = cmd->GetEditor();
if (
(cmd->IsA(DELETE_CMD) || cmd->IsA(CUT_CMD)) &&
ed->GetComponent() != this
) {
Iterator i;
for (Last(i); !Done(i); Prev(i)) {
GetComp(i)->Uninterpret(cmd);
}
} else if (cmd->IsA(DELETE_CMD)) {
Clipboard* cb = cmd->GetClipboard();
if (cb != nil) {
Iterator i;
for (cb->Last(i); !cb->Done(i); cb->Prev(i)) {
OverlayComp* comp = (OverlayComp*) cb->GetComp(i);
RestorePosition(comp, cmd);
comp->Uninterpret(cmd);
}
Notify();
SelectClipboard(cb, ed);
unidraw->Update();
}
} else if (cmd->IsA(CUT_CMD)) {
Clipboard* cb = cmd->GetClipboard();
if (cb != nil) {
Iterator i;
for (cb->Last(i); !cb->Done(i); cb->Prev(i)) {
OverlayComp* comp = (OverlayComp*) cb->GetComp(i);
RestorePosition(comp, cmd);
comp->Uninterpret(cmd);
}
Notify();
SelectClipboard(cb, ed);
unidraw->Update();
}
} else if (cmd->IsA(PASTE_CMD)) {
Clipboard* cb = cmd->GetClipboard();
if (cb != nil) {
Selection* s = ed->GetSelection();
Iterator i, pos;
s->Clear();
for (cb->First(i); !cb->Done(i); cb->Next(i)) {
GraphicComp* comp = cb->GetComp(i);
unidraw->CloseDependents(comp);
Remove(comp);
}
Notify();
unidraw->Update();
}
} else if (cmd->IsA(DUP_CMD)) {
Clipboard* cb = cmd->GetClipboard();
if (cb != nil) {
Selection* s = ed->GetSelection();
Iterator i;
s->Clear();
for (cb->First(i); !cb->Done(i); cb->Next(i)) {
GraphicComp* comp = cb->GetComp(i);
unidraw->CloseDependents(comp);
Remove(comp);
}
Notify();
unidraw->Update();
}
} else if (cmd->IsA(OVGROUP_CMD)) {
OvGroupCmd* gcmd = (OvGroupCmd*) cmd;
OverlayComp* group = gcmd->GetGroup();
Component* edComp = gcmd->GetEditor()->GetComponent();
if (group == this) {
edComp->Uninterpret(gcmd);
} else if (edComp == (Component*) this) {
Clipboard* cb = cmd->GetClipboard();
Iterator i;
cb->First(i);
OverlayComp* group = (OverlayComp*) cb->GetComp(i)->GetParent();
GroupCmd* gcmd = (GroupCmd*) cmd;
unidraw->CloseDependents(group);
for (cb->Last(i); !cb->Done(i); cb->Prev(i)) {
RestorePosition((OverlayComp*)cb->GetComp(i), cmd);
}
Remove(group);
Notify();
SelectClipboard(cb, ed);
unidraw->Update();
} else {
OverlayComp::Uninterpret(gcmd);
}
} else if (cmd->IsA(UNGROUP_CMD)) {
UngroupCmd* ucmd = (UngroupCmd*) cmd;
Component* edComp = ucmd->GetEditor()->GetComponent();
if (edComp == (Component*) this) {
Clipboard* cb = ucmd->GetClipboard();
Clipboard* kids = ucmd->GetKids();
Clipboard insertedParents;
Iterator k;
for (kids->First(k); !kids->Done(k); kids->Next(k)) {
OverlayComp* kid = (OverlayComp*) kids->GetComp(k);
UngroupData* ud = (UngroupData*) cmd->Recall(kid);
OverlayComp* parent = (OverlayComp*)ud->_parent;
*kid->GetGraphic() = *ud->_gs;
if (!insertedParents.Includes(parent)) {
GSData* gd = (GSData*) cmd->Recall(parent);
*parent->GetGraphic() = *gd->_gs;
Iterator insertPt;
SetComp(kid, insertPt);
InsertBefore(insertPt, parent);
insertedParents.Append(parent);
}
Remove(kid);
parent->Append(kid);
}
Notify();
SelectClipboard(cb, ed);
unidraw->Update();
delete kids;
ucmd->SetKids(nil);
}
} else if (cmd->IsA(FRONT_CMD)) {
Component* edComp = cmd->GetEditor()->GetComponent();
if (edComp == (Component*) this) {
Clipboard* cb = cmd->GetClipboard();
Iterator i;
for (cb->Last(i); !cb->Done(i); cb->Prev(i)) {
RestorePosition((OverlayComp*)cb->GetComp(i), cmd);
}
Notify();
SelectClipboard(cb, ed);
unidraw->Update();
} else {
OverlayComp::Uninterpret(cmd);
}
} else if (cmd->IsA(BACK_CMD)) {
Component* edComp = cmd->GetEditor()->GetComponent();
if (edComp == (Component*) this) {
Clipboard* cb = cmd->GetClipboard();
Iterator i;
for (cb->First(i); !cb->Done(i); cb->Next(i)) {
RestorePosition((OverlayComp*)cb->GetComp(i), cmd);
}
Notify();
SelectClipboard(cb, ed);
unidraw->Update();
} else {
OverlayComp::Uninterpret(cmd);
}
} else {
OverlayComp::Uninterpret(cmd);
}
}
void OverlaysComp::Interpret (Command* cmd) {
Editor* ed = cmd->GetEditor();
if (
(cmd->IsA(DELETE_CMD) || cmd->IsA(CUT_CMD)) &&
ed->GetComponent() != this
) {
Iterator i;
for (First(i); !Done(i); Next(i)) {
GetComp(i)->Interpret(cmd);
}
} else if (cmd->IsA(DELETE_CMD)) {
Clipboard* cb = cmd->GetClipboard();
Selection* s = ed->GetSelection();
if (cb == nil) {
if (s->IsEmpty()) {
return;
}
cmd->SetClipboard(cb = new Clipboard);
cb->Init(s);
}
s->Clear();
Iterator i;
for (cb->First(i); !cb->Done(i); cb->Next(i)) {
OverlayComp* comp = (OverlayComp*)cb->GetComp(i);
unidraw->CloseDependents(comp);
comp->Interpret(cmd);
StorePosition(comp, cmd);
Remove(comp);
}
Notify();
unidraw->Update();
} else if (cmd->IsA(CUT_CMD)) {
Clipboard* cb = cmd->GetClipboard();
Selection* s = ed->GetSelection();
if (cb == nil) {
if (s->IsEmpty()) {
return;
}
GraphicView* views = ed->GetViewer()->GetGraphicView();
s->Sort(views);
cmd->SetClipboard(cb = new Clipboard);
cb->Init(s);
Clipboard* globalcb = unidraw->GetCatalog()->GetClipboard();
globalcb->DeleteComps();
globalcb->CopyInit(s);
}
s->Clear();
Iterator i;
for (cb->First(i); !cb->Done(i); cb->Next(i)) {
OverlayComp* comp = (OverlayComp*)cb->GetComp(i);
unidraw->CloseDependents(comp);
comp->Interpret(cmd);
StorePosition(comp, cmd);
Remove(comp);
}
Notify();
unidraw->Update();
} else if (cmd->IsA(PASTE_CMD)) {
Clipboard* cb = cmd->GetClipboard();
Iterator i;
if (cb == nil) {
Clipboard* globalcb = unidraw->GetCatalog()->GetClipboard();
if (globalcb->IsEmpty()) {
return;
}
cmd->SetClipboard(cb = globalcb->DeepCopy());
}
for (cb->First(i); !cb->Done(i); cb->Next(i)) {
Append((OverlayComp*)cb->GetComp(i));
}
Notify();
SelectClipboard(cb, ed);
unidraw->Update();
} else if (cmd->IsA(DUP_CMD)) {
GraphicView* views = ed->GetViewer()->GetGraphicView();
OverlayComp* prev, *dup1;
Iterator i, pos;
Clipboard* cb = cmd->GetClipboard();
const float offset = 8;
MoveCmd move(ed, offset, offset);
if (cb == nil) {
OverlaySelection* s = (OverlaySelection*)ed->GetSelection();
if (s->IsEmpty()) {
return;
}
cmd->SetClipboard(cb = new Clipboard);
s->Sort(views);
for (s->First(i); !s->Done(i); s->Next(i)) {
OverlayComp* orig = s->GetView(i)->GetOverlayComp();
dup1 = (OverlayComp*) orig->Copy();
if (!dup1->attrlist() && orig->attrlist()) {
AttributeList* al = new AttributeList(orig->attrlist());
dup1->SetAttributeList(al);
}
dup1->Interpret(&move);
cb->Append(dup1);
}
cb->First(i);
dup1 = (OverlayComp*) cb->GetComp(i);
Last(pos);
prev = (OverlayComp*) GetComp(pos);
cmd->Store(dup1, new VoidData(prev));
} else {
cb->First(i);
dup1 = (OverlayComp*) cb->GetComp(i);
VoidData* vd = (VoidData*) cmd->Recall(dup1);
prev = (OverlayComp*) vd->_void;
SetComp(prev, pos);
}
for (cb->Last(i); !cb->Done(i); cb->Prev(i)) {
InsertAfter(pos, cb->GetComp(i));
}
Notify();
SelectClipboard(cb, ed);
unidraw->Update();
} else if (cmd->IsA(OVGROUP_CMD)) {
OvGroupCmd* gcmd = (OvGroupCmd*) cmd;
OverlayComp* group = gcmd->GetGroup();
Component* edComp = gcmd->GetEditor()->GetComponent();
if (group == this) {
edComp->Interpret(gcmd);
} else if (edComp == (Component*) this) {
Clipboard* cb = cmd->GetClipboard();
NullGS(group->GetGraphic());
Group(cb, group, cmd);
Notify();
SelectViewsOf(group, ed);
unidraw->Update();
} else {
OverlayComp::Interpret(gcmd);
}
} else if (cmd->IsA(UNGROUP_CMD)) {
UngroupCmd* ucmd = (UngroupCmd*) cmd;
Component* edComp = ucmd->GetEditor()->GetComponent();
if (edComp == (Component*) this) {
Clipboard* cb = cmd->GetClipboard();
Clipboard* kids = new Clipboard;
ucmd->SetKids(kids);
Iterator i;
for (cb->First(i); !cb->Done(i); cb->Next(i)) {
OverlayComp* parent = (OverlayComp*)cb->GetComp(i);
unidraw->CloseDependents(parent);
Ungroup(parent, kids, cmd);
}
Notify();
SelectClipboard(kids, ed);
unidraw->Update();
} else {
cmd->GetClipboard()->Append(this);
}
} else if (cmd->IsA(PUSH_CMD) || cmd->IsA(PULL_CMD)) {
Component* edComp = cmd->GetEditor()->GetComponent();
if (edComp == (Component*) this) {
Clipboard* cb = cmd->GetClipboard();
Iterator i;
if (cmd->IsA(PULL_CMD)) {
for (cb->First(i); !cb->Done(i); cb->Next(i)) {
OverlayComp* comp = (OverlayComp*)cb->GetComp(i);
Iterator j;
SetComp(comp, j);
Next(j);
StorePosition(comp, cmd);
if (!Done(j)) {
Remove(comp);
InsertAfter(j, comp);
}
}
} else {
for (cb->Last(i); !cb->Done(i); cb->Prev(i)) {
OverlayComp* comp = (OverlayComp*) cb->GetComp(i);
Iterator j;
SetComp(comp, j);
Prev(j);
StorePosition(comp, cmd);
if (!Done(j)) {
Remove(comp);
InsertBefore(j, comp);
}
}
}
Notify();
unidraw->Update();
} else {
OverlayComp::Interpret(cmd);
}
} else if (cmd->IsA(FRONT_CMD) || cmd->IsA(BACK_CMD)) {
Component* edComp = cmd->GetEditor()->GetComponent();
if (edComp == (Component*) this) {
Clipboard* cb = cmd->GetClipboard();
Iterator i;
if (cmd->IsA(FRONT_CMD)) {
for (cb->First(i); !cb->Done(i); cb->Next(i)) {
OverlayComp* comp = (OverlayComp*)cb->GetComp(i);
StorePosition(comp, cmd);
Remove(comp);
Append(comp);
}
} else {
for (cb->Last(i); !cb->Done(i); cb->Prev(i)) {
OverlayComp* comp = (OverlayComp*) cb->GetComp(i);
StorePosition(comp, cmd);
Remove(comp);
Prepend(comp);
}
}
Notify();
unidraw->Update();
} else {
OverlayComp::Interpret(cmd);
}
} else {
OverlayComp::Interpret(cmd);
}
}
void OvExportCmd::Execute () {
Editor* ed = GetEditor();
#if 0
Selection* s = ed->GetSelection();
if (s->IsEmpty()) {
GAcknowledgeDialog::post
(ed->GetWindow(), "Nothing selected for export", nil, "no selection");
return;
}
#endif
Style* style;
boolean reset_caption = false;
if (chooser_ == nil) {
style = new Style(Session::instance()->style());
style->attribute("subcaption", "Export selected graphics to file:");
style->attribute("open", "Export");
const char *formats_svg[] = {"EPS", "idraw EPS", "drawtool", "SVG"};
const char *formats_nosvg[] = {"EPS", "idraw EPS", "drawtool"};
const char *svg_arg = unidraw->GetCatalog()->GetAttribute("svgexport");
const boolean svg_flag = svg_arg && strcmp(svg_arg, "true")==0;
const char **formats = svg_flag ? formats_svg : formats_nosvg;
int nformats = (svg_flag ? sizeof(formats_svg) : sizeof(formats_nosvg)) / sizeof(char*);
const char *commands[] = {"ghostview %s", "idraw %s", "drawtool %s", "netscape %s"};
chooser_ = new ExportChooser(".", WidgetKit::instance(), style,
formats, nformats, commands, nil, true);
Resource::ref(chooser_);
} else {
style = chooser_->style();
}
boolean again;
while (again = chooser_->post_for(ed->GetWindow())) {
const String* str = chooser_->selected();
if (str != nil) {
NullTerminatedString ns(*str);
const char* name = ns.string();
style->attribute("caption", " " );
chooser_->twindow()->repair();
chooser_->twindow()->display()->sync();
Catalog* catalog = unidraw->GetCatalog();
boolean ok = true;
if (!chooser_->to_printer() && catalog->Exists(name) && catalog->Writable(name)) {
char buf[CHARBUFSIZE];
sprintf(buf, "\"%s\" already exists,", name);
GConfirmDialog* dialog = new GConfirmDialog(buf, "Overwrite?");
Resource::ref(dialog);
ok = dialog->post_for(ed->GetWindow());
Resource::unref(dialog);
}
if (ok) {
ed->GetWindow()->cursor(hourglass);
chooser_->twindow()->cursor(hourglass);
if (Export(ns.string())) {
again = false;
break;
}
style->attribute("caption", "Export failed!" );
reset_caption = true;
ed->GetWindow()->cursor(arrow);
chooser_->twindow()->cursor(arrow);
}
}
}
chooser_->unmap();
if (reset_caption) {
style->attribute("caption", " " );
}
if (!again)
ed->GetWindow()->cursor(arrow);
return;
}
