placebox.mc

microstation MDL入门指导手册!

//
// This file was generated by the Bentley MFC Application Wizard
//
///////////////////////////////////////////////////////////////////////////////

#include <cmdlist.h>
#include <toolsubs.h>
#include <string.h>

#include <msrsrc.fdf>
#include <msparse.fdf>
#include <msoutput.fdf>
#include <mselemen.fdf>
#include <msvar.fdf>
#include <msstate.fdf>
#include <mssystem.fdf>
#include <msdialog.fdf>
#include <mscell.fdf>
#include <mselmdsc.fdf>


#include "PlaceBox.h"
#include "PlaceBoxcmd.h"
    
static char textin [128];
Dpoint3d   pntP[2];

/*--------------------------------------------------------------------------+
｜     name      generateImage – dynamic function for box.                 ｜
+--------------------------------------------------------------------------*/
Private int generateImage
(
Dpoint3d*pt,
int    view,
int    drawMode
)
{
MSElementUnion el;
Dpoint3d  origin;
Dpoint3d  shapeP[5];
MSElementDescr * pDescr = NULL;

pntP[1]=origin=*pt;

mdlCell_create (&el, "BOX", &pntP[0], FALSE);
mdlElmdscr_new (&pDescr,NULL,&el);

/*create Text in dgnBuf for Microstation Dymamics to display */
mdlText_create (&el,NULL,textin,&pntP[1],NULL,NULL,NULL,NULL);
mdlElement_display(&el,drawMode);
mdlElmdscr_appendElement(pDescr,&el);

mdlText_extractShape(shapeP,NULL,&el,TRUE,view);
mdlShape_create(&el, NULL, shapeP, 5, -1);
mdlElement_display(&el, drawMode);
mdlElmdscr_appendElement(pDescr,&el);

if (pntP[0].x < origin.x)
{
	if (pntP[0].y < origin.y)
	{
	pntP [1] .x=shapeP [0] .x;
    pntP[ 1] .y=shapeP[0] .y;
  } else {
  	pntP[1] .x=shapeP [3].x;
  	pntP [1] .y=shapeP [3].y;
  }
}else {
	if (pntP[0].y < origin.y)
  {
  	pntP[1] .x=shapeP[1] .x;
  	pntP[1].y=shapeP[1].y;
  } else {
  	pntP[1] .x=shapeP[2] .x;
  	pntP [1] .y=shapeP[2] .y;
  }
}
/* Place the modified leader line */
mdlLine_create(&el, NULL, pntP);
mdlElement_display (&el, drawMode);
mdlElmdscr_appendElement(pDescr,&el);
if (drawMode==NORMALDRAW)
{
	mdlElmdscr_add(pDescr);
}
mdlElmdscr_freeAll(&pDescr);
return  SUCCESS;
}

/*--------------------------------------------------------------------------+
｜     name      keyinText                                                  ｜
+--------------------------------------------------------------------------*/
Private void keyinText(char  *cmdStringP)
{
strcpy(textin,cmdStringP);
}

/*--------------------------------------------------------------------------+
｜     name      placeBox_done                                              ｜
+--------------------------------------------------------------------------*/
Private void placeBox_done()
{
mdlOutput_rscPrintf(MSG_PROMPT,NULL,0,4);
mdlState_restartCurrentCommand();
}

/*--------------------------------------------------------------------------+
｜     name      placeBox_seconPoint                                        ｜
+--------------------------------------------------------------------------*/
Private void placeBox_secondpoint
(
Dpoint3d *pt,
int  view
)
{
generateImage(pt,view,NORMALDRAW);
}

/*--------------------------------------------------------------------------+
｜     name      placeBox_firstPoint                                        ｜
+--------------------------------------------------------------------------*/
Private void placeBox_firstpoint
(
Dpoint3d*pt,
int   view
)
{
pntP[0]=*pt;
/*Set the datapoint state function for the second point.*/
mdlState_setKeyinPrompt ("KEY IN TEXT:");
mdlState_setFunction (STATE_KEYIN,keyinText);
mdlState_setFunction (STATE_DATAPOINT,placeBox_secondpoint);
mdlState_setFunction (STATE_RESET,placeBox_done);
mdlOutput_rscPrintf (MSG_PROMPT,NULL,0,3);

/*Setup Rubber Banding function*/
mdlState_setFunction (STATE_COMPLEX_DYNAMICS,generateImage);
}

/*---------------------------------------------------------------------------------**//**
* @description  Calls into the Native Code Library
* @param 	unparsed
* @bsimethod 							BSI             06/03
+---------------+---------------+---------------+---------------+---------------+------*/
void placeBox_start()
cmdNumber   CMD_PLACE_BOX
	{
	mdlState_startPrimitive(placeBox_firstpoint,placeBox_start,1,2);
	}

/*---------------------------------------------------------------------------------**//**
* @description  PlaceBox_unloadFunction                                                 
* @param 	unloadType      Reason for the unload of the app        	
* @return 	SUCCESS to allow the unload; ERROR to disallow the unload
* @bsimethod 							BSI             06/03
+---------------+---------------+---------------+---------------+---------------+------*/
Private int     PlaceBox_unloadFunction
(
int     unloadType
)
    {
    BoolInt     disallow = FALSE;

    /*------------------------------------------------------------------
    |   If the value of unloadType is negative, then MicroStation ignores
    |   the return value of this function.  In this case, we can assume
    |   that MicroStation is shutting down or was terminated so this
    |   function should not attempt to abort the unload.
    +------------------------------------------------------------------*/
    if (unloadType < 0)
        {
        return FALSE;
        }
	
    /* 
    ** Your processing, which may include setting the disallow flag to TRUE 
    */
    
    return  (disallow ? ERROR : SUCCESS);
    }

    
/*---------------------------------------------------------------------------------**//**
* Dialog/Item Hooks; Command Numbers and Command Names
+---------------+---------------+---------------+---------------+---------------+------*/

typedef void (*Handler)(char *);
typedef void (*Hook)();


/*---------------------------------------------------------------------------------**//**
* @description  MdlMain                                                 
* @param 	argc     Count of arguments into the function        	
* @param 	argv     Array of arguments                             
* @return 	Return code from the application                        
*                                                                       
* @bsimethod 							BSI             06/03
+---------------+---------------+---------------+---------------+---------------+------*/
Public int main
(
int         argc,
char        *argv[]
)
    {
    RscFileHandle   rscFileH;

    /*-----------------------------------------------------------------------
    mdlResource_openFile:

    This function opens a resource file, thus making its contents
    available to the application.  In this case, we need to open
    treexmpl.ma as a resource file so that we have access to the the
    string lists for our messages.
    -----------------------------------------------------------------------*/
    if (SUCCESS	!= mdlResource_openFile	(&rscFileH, NULL, 0))
	{
	mdlOutput_rscPrintf (MSG_ERROR,	0l, MESSAGELISTID_Messages,
			     MESSAGEID_ResourceLoadError);

	/* unload the application */
	mdlDialog_cmdNumberQueue (FALSE, CMD_MDL_UNLOAD,
				  mdlSystem_getCurrTaskID (), TRUE);
	}

    /* --- Set up function to get called at unload time --- */
    mdlSystem_setFunction (SYSTEM_UNLOAD_PROGRAM,   PlaceBox_unloadFunction);
    mdlState_registerStringIds (MESSAGELISTID_Commands,      MESSAGELISTID_Commands);
    mdlParse_loadCommandTable (NULL);
	mdlOutput_prompt("Key-in PLACE BOX to execute");
    
    return 0;
    }