bool MgCmdManagerImpl::setCommand(const MgMotion* sender,
const char* name, MgStorage* s)
{
if (strcmp(name, "@draw") == 0) { // 将 @draw 换成上一次绘图命令名
name = _drawcmd.empty() ? "splines" : _drawcmd.c_str();
}
MgCommand* cmd = findCommand(name);
if (!cmd) {
cmd = sender->view->getCmdSubject()->createCommand(sender, name);
if (cmd) {
_cmds[name] = cmd;
LOGD("createCommand %d: %s", (int)_cmds.size(), name);
}
}
if (strcmp(name, "erase") == 0 && _cmdname == "select") { // 在选择命令中点橡皮擦
MgSelection *sel = getSelection();
if (sel && sel->deleteSelection(sender)) { // 直接删除选中的图形
return false; // 不切换到橡皮擦命令
}
}
cancel(sender);
bool ret = false;
std::string oldname(_cmdname);
if (cmd) {
_cmdname = cmd->getName();
ret = cmd->initialize(sender, s);
if (!ret) {
_cmdname = oldname;
}
else if (cmd->isDrawingCommand()) {
_drawcmd = _cmdname;
}
}
else {
if (strcmp(name, "erasewnd") == 0) {
eraseWnd(sender);
}
else {
_cmdname = "select";
cmd = findCommand(_cmdname.c_str());
cmd->initialize(sender, s);
}
}
if (MgBaseShape::minTol().equalPoint() < 1e-5) {
MgBaseShape::minTol().setEqualPoint(sender->view->xform()->displayToModel(1.f, true));
}
if (oldname != _cmdname) {
sender->view->commandChanged();
}
return ret;
}
bool GiCoreViewImpl::drawCommand(GcBaseView* view, const MgMotion& motion, GiGraphics& gs)
{
bool ret = false;
if (view == curview) {
MgDynShapeLock locker(false, this);
MgCommand* cmd = _cmds->getCommand();
ret = cmd && cmd->draw(&motion, &gs);
if (ret && cmd->isDrawingCommand()) {
getCmdSubject()->drawInShapeCommand(&motion, cmd, &gs);
}
}
return ret;
}
bool MgCmdManagerImpl::doAction(const MgMotion* sender, int action)
{
MgView* view = sender->view;
MgSelection *sel = getSelection();
bool ret = false;
switch (action) {
case kMgActionSelAll:
ret = sel && sel->selectAll(sender);
break;
case kMgActionSelReset:
if (sel) sel->resetSelection(sender);
break;
case kMgActionDraw:
ret = setCommand(sender, "@draw", NULL);
break;
case kMgActionCancel:
ret = setCommand(sender, "select", NULL);
break;
case kMgActionDelete:
ret = sel && sel->deleteSelection(sender);
break;
case kMgActionClone:
ret = sel && sel->cloneSelection(sender);
break;
case kMgActionGroup:
ret = sel && sel->groupSelection(sender);
break;
case kMgActionUngroup:
ret = sel && sel->ungroupSelection(sender);
break;
case kMgActionFixedLength:
case kMgActionFreeLength:
ret = sel && sel->setFixedLength(sender, !sel->isFixedLength(view));
break;
case kMgActionLocked:
case kMgActionUnlocked:
ret = sel && sel->setLocked(sender, !sel->isLocked(view));
break;
case kMgActionEditVertex:
case kMgActionHideVertex:
ret = sel && sel->setEditMode(sender, !sel->isEditMode(view));
break;
case kMgActionClosed:
case kMgActionOpened:
ret = sel && sel->switchClosed(sender);
break;
case kMgActionAddVertex:
ret = sel && sel->insertVertext(sender);
break;
case kMgActionDelVertex:
ret = sel && sel->deleteVertext(sender);
break;
case kMgActionOverturn:
ret = sel && sel->overturnPolygon(sender);
break;
default: {
ret = sender->view->getCmdSubject()->doAction(sender, action);
MgCommand* cmd = getCommand();
ret = ret || (cmd && cmd->doContextAction(sender, action));
if (!ret && cmd && !cmd->isDrawingCommand()) {
ret = sender->view->getCmdSubject()->doEndAction(sender, action);
cmd = findCommand(_drawcmd.c_str());
ret = ret || (cmd && cmd->doContextAction(sender, action));
}
break;
}
}
LOGD("doAction(%d) %s", action, ret ? "ok" : "fail");
return ret;
}