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Trimming in report Writer 1

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sdocker

sdocker

IS-IT--Management
Joined
Aug 12, 2010
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218
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Reagrdless of the Trim Mode setting for a Field, the report simply truncates the data to the nearest word. I would like to show an elipses, so the user can be aware and make modifications. The stretch with overflow is NOT checked.

I am using VFP 9.0 SP2

Thanks,
Sam
 
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I wrote a pretty good answer to this, but it got lost in the preview!

I'll do it again!



Regards

Griff
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There are 10 kinds of people in the world, those who understand binary and those who don't.
 
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For a fixed width font like courier use this:

Code: 
FUNCTION OverflowTextFixed
	PARAMETERS m.String, m.StringLength
	PRIVATE m.String, m.StringLength
	m.String = TRIM(m.String)
	IF m.StringLength > 3
		IF LEN(m.String) > m.StringLength
			m.String = LEFT(m.String,m.StringLength-3)+"..."
		ENDIF
	ELSE
		m.String = "..."
	ENDIF

Return(m.String)

Regards

Griff
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There are 10 kinds of people in the world, those who understand binary and those who don't.
 
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Thanks Geoff,

What you said should work.

I am programmatically hacking the .frx file so I don't always know the field length.
Can I use a formula in the expression field using it's own width ?

I was also wondering why the field propertiy was not responding properly. If it did, I would not be limited to a fixed space font.

Thanks,
Sam
 
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For Arial or similar you need something a bit more complicated

Code: 
CLEAR
? OverflowTextProp("My long StringMy long StringMy long String",12,8)
? OverflowTextProp("My long StringMy long StringMy long String",28,8)



FUNCTION OverflowTextProp
	PARAMETERS m.String, m.StringLength, m.FontSize
	** m.String is the original string
	** m.StringLength is the size in mm
	** m.FontSize is the height in Points of the font being used
	PRIVATE m.String, m.StringLength, i, m.SizeOfString ,m.Flag

	** normalize the stringlength to match the values returned from the CharWidths function
	m.StringLength = (m.Stringlength/m.FontSize) * 65000
	
	m.SizeOfString = 0
	** use a flag to stop processing tidily
	m.Flag = .t.
	FOR i = 1 TO LEN(m.string)
		IF m.Flag
			m.SizeOfString = m.SizeOfString + (CharWidths(ASC(SUBSTR(m.string,i,1))) * m.FontSize)
			** compare the length of the string thus far with the desired length (minus the width of an elipsis)
			IF m.SizeOfString > m.StringLength - (3 * (CharWidths(ASC(".")) * m.FontSize))
				** if it runs over, trim back by one character and add the elipsis
				m.String = LEFT(m.String,i-1)+"..."
				m.Flag = .f.
			ENDIF
		ENDIF
	NEXT
Return(m.string)


FUNCTION CharWidths
	PARAMETERS m.CharVal
	** m.CharVal expects the ASCII value of a single character
	PRIVATE m.CharVal,m.CharLength
	** use an array to hold the proportional with (in Arial) of each printable character
	DIMENSION CharWidths(255)
	CharWidths(  1) = 0
	CharWidths(  2) = 0
	CharWidths(  3) = 0
	CharWidths(  4) = 0
	CharWidths(  5) = 0
	CharWidths(  6) = 0
	CharWidths(  7) = 0
	CharWidths(  8) = 0
	CharWidths(  9) = 0
	CharWidths( 10) = 0
	CharWidths( 11) = 0
	CharWidths( 12) = 0
	CharWidths( 13) = 0
	CharWidths( 14) = 0
	CharWidths( 15) = 0
	CharWidths( 16) = 0
	CharWidths( 17) = 0
	CharWidths( 18) = 0
	CharWidths( 19) = 0
	CharWidths( 20) = 0
	CharWidths( 21) = 0
	CharWidths( 22) = 0
	CharWidths( 23) = 0
	CharWidths( 24) = 0
	CharWidths( 25) = 0
	CharWidths( 26) = 0
	CharWidths( 27) = 0
	CharWidths( 28) = 0
	CharWidths( 29) = 0
	CharWidths( 30) = 0
	CharWidths( 31) = 0
	CharWidths( 32) =  675
	CharWidths( 33) =  758
	CharWidths( 34) = 1197
	CharWidths( 35) = 1455
	CharWidths( 36) = 1455
	CharWidths( 37) = 2303
	CharWidths( 38) = 1712
	CharWidths( 39) =  515 
	CharWidths( 40) =  515 
	CharWidths( 41) =  515 
	CharWidths( 42) = 1455
	CharWidths( 43) = 2303
	CharWidths( 44) =  675 
	CharWidths( 45) =  773
	CharWidths( 46) =  773
	CharWidths( 47) =  773
	CharWidths( 48) = 1455
	CharWidths( 49) = 1455
	CharWidths( 50) = 1455
	CharWidths( 51) = 1455
	CharWidths( 52) = 1455
	CharWidths( 53) = 1455
	CharWidths( 54) = 1455
	CharWidths( 55) = 1455
	CharWidths( 56) = 1455
	CharWidths( 57) = 1455
	CharWidths( 58) =  773
	CharWidths( 59) =  773
	CharWidths( 60) = 2303
	CharWidths( 61) = 2303
	CharWidths( 62) = 2303
	CharWidths( 63) = 1197
	CharWidths( 64) = 2303
	CharWidths( 65) = 1712
	CharWidths( 66) = 1455
	CharWidths( 67) = 1636
	CharWidths( 68) = 1636
	CharWidths( 69) = 1288
	CharWidths( 70) = 1288
	CharWidths( 71) = 1712
	CharWidths( 72) = 1636
	CharWidths( 73) =  591
	CharWidths( 74) = 1288
	CharWidths( 75) = 1530
	CharWidths( 76) = 1201
	CharWidths( 77) = 2045
	CharWidths( 78) = 1636
	CharWidths( 79) = 1712
	CharWidths( 80) = 1379
	CharWidths( 81) = 1803
	CharWidths( 82) = 1455
	CharWidths( 83) = 1455
	CharWidths( 84) = 1455
	CharWidths( 85) = 1636
	CharWidths( 86) = 1636
	CharWidths( 87) = 2303
	CharWidths( 88) = 1636
	CharWidths( 89) = 1545
	CharWidths( 90) = 1364
	CharWidths( 91) =  773
	CharWidths( 92) =  773
	CharWidths( 93) =  773
	CharWidths( 94) = 1455
	CharWidths( 95) = 1121
	CharWidths( 96) = 1455
	CharWidths( 97) = 1201
	CharWidths( 98) = 1288
	CharWidths( 99) = 1201
	CharWidths(100) = 1288
	CharWidths(101) = 1201
	CharWidths(102) =  848
	CharWidths(103) = 1288
	CharWidths(104) = 1288
	CharWidths(105) =  515
	CharWidths(106) =  515
	CharWidths(107) = 1201
	CharWidths(108) =  515
	CharWidths(109) = 1970
	CharWidths(110) = 1288
	CharWidths(111) = 1288
	CharWidths(112) = 1288
	CharWidths(113) = 1288
	CharWidths(114) =  773
	CharWidths(115) = 1121
	CharWidths(116) =  848
	CharWidths(117) = 1288
	CharWidths(118) = 1288
	CharWidths(119) = 1970
	CharWidths(120) = 1288
	CharWidths(121) = 1288
	CharWidths(122) = 1121
	CharWidths(123) = 1121
	CharWidths(124) = 1121
	CharWidths(125) = 1121
	CharWidths(126) = 1455
	CharWidths(127) = 2303
	CharWidths(128) = 1637
	CharWidths(129) = 1288
	CharWidths(130) = 1201
	CharWidths(131) = 1201
	CharWidths(132) = 1201
	CharWidths(133) = 1201
	CharWidths(134) = 1201
	CharWidths(135) = 1201
	CharWidths(136) = 1201
	CharWidths(137) = 1201
	CharWidths(138) = 1201
	CharWidths(139) =  515
	CharWidths(140) =  515
	CharWidths(141) =  515
	CharWidths(142) = 1712
	CharWidths(143) = 1712
	CharWidths(144) = 1288
	CharWidths(145) = 1970
	CharWidths(146) = 2227
	CharWidths(147) = 1273
	CharWidths(148) = 1273
	CharWidths(149) = 1273
	CharWidths(150) = 1273
	CharWidths(151) = 1273
	CharWidths(152) = 1273
	CharWidths(153) = 1712
	CharWidths(154) = 1636
	CharWidths(155) = 1439
	CharWidths(156) = 1439
	CharWidths(157) = 1439
	CharWidths(158) = 2227
	CharWidths(159) = 1455
	CharWidths(160) = 1201
	CharWidths(161) =  515
	CharWidths(162) = 1288
	CharWidths(163) = 1288
	CharWidths(164) = 1288
	CharWidths(165) = 1636
	CharWidths(166) =  939
	CharWidths(167) =  939
	CharWidths(168) = 1201
	CharWidths(169) = 2303
	CharWidths(170) = 2303
	CharWidths(171) = 2303
	CharWidths(172) = 2303
	CharWidths(173) =  773
	CharWidths(174) = 1273
	CharWidths(175) = 1273
	CharWidths(176) = 2303
	CharWidths(177) = 2303
	CharWidths(178) = 2303
	CharWidths(179) = 2303
	CharWidths(180) = 2303
	CharWidths(181) = 2303
	CharWidths(182) = 2303
	CharWidths(183) = 2303
	CharWidths(184) = 2303
	CharWidths(185) = 2303
	CharWidths(186) = 2303
	CharWidths(187) = 2303
	CharWidths(188) = 2303
	CharWidths(189) = 2303
	CharWidths(190) = 2303
	CharWidths(191) = 2303
	CharWidths(192) = 2303
	CharWidths(193) = 2303
	CharWidths(194) = 2303
	CharWidths(195) = 2303
	CharWidths(196) = 2303
	CharWidths(197) = 2303
	CharWidths(198) = 2303
	CharWidths(199) = 2303
	CharWidths(200) = 2303
	CharWidths(201) = 2303
	CharWidths(202) = 2303
	CharWidths(203) = 2303
	CharWidths(204) = 2303
	CharWidths(205) = 2303
	CharWidths(206) = 2303
	CharWidths(207) = 2303
	CharWidths(208) = 2303
	CharWidths(209) = 2303
	CharWidths(210) = 2303
	CharWidths(211) = 2303
	CharWidths(212) = 2303
	CharWidths(213) = 2303
	CharWidths(214) = 2303
	CharWidths(215) = 2303
	CharWidths(216) = 2303
	CharWidths(217) = 2303
	CharWidths(218) = 2303
	CharWidths(219) = 2303
	CharWidths(220) = 2303
	CharWidths(221) = 2303
	CharWidths(222) = 2303
	CharWidths(223) = 2303
	CharWidths(224) = 1288
	CharWidths(225) = 1379
	CharWidths(226) = 1288
	CharWidths(227) = 1379
	CharWidths(228) = 1379
	CharWidths(229) = 1455
	CharWidths(230) = 1379
	CharWidths(231) = 1030
	CharWidths(232) = 2136
	CharWidths(233) = 1712
	CharWidths(234) = 1879
	CharWidths(235) = 1303
	CharWidths(236) = 2303
	CharWidths(237) = 1636
	CharWidths(238) = 1121
	CharWidths(239) = 2303
	CharWidths(240) = 2303
	CharWidths(241) = 2303
	CharWidths(242) = 2303
	CharWidths(243) = 2303
	CharWidths(244) = 1636
	CharWidths(245) = 1636
	CharWidths(246) = 2303
	CharWidths(247) = 2303
	CharWidths(248) = 1455
	CharWidths(249) =  773
	CharWidths(250) =  773
	CharWidths(251) = 1636
	CharWidths(252) =  864
	CharWidths(253) =  864
	CharWidths(254) = 1121
	CharWidths(255) = 0
	m.CharLength = 0
	** look for only characters between 1 and 255
	IF m.CharVal > 0 .and. m.CharVal <=255
		m.CharLength = CharWidths(m.CharVal)
	ENDIF
	** return the width of the character
	RETURN(m.CharLength)

Regards

Griff
Keep [Smile]ing

There are 10 kinds of people in the world, those who understand binary and those who don't.
 
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I'd say it's much easier to use one of the trimming modes, but if you want ellipsis you need to choose one with ellipsis:

-Default (as in earlier versions of Visual FoxPro)
-Trim to nearest character
-Trim to nearest word
-Trim to nearest character, append ellipsis
-Trim to nearest word, append ellipsis
-Trim "filespec" style with an intermediate ellipsis

Eg "Trim to nearest word, append ellipsis" appends ellipsis, "Trim to nearest word" does not.

Bye, Olaf.
 
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Also, you could use the TXTWidth() function instead of the one I wrote...

B-)

Regards

Griff
Keep [Smile]ing

There are 10 kinds of people in the world, those who understand binary and those who don't.
 
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Olaf - I'd never spotted that!

(I'm assuming it works!)

brilliant, have a star

Regards

Griff
Keep [Smile]ing

There are 10 kinds of people in the world, those who understand binary and those who don't.
 
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Ah, I didn't know it because it wasn't in VFP6...

Regards

Griff
Keep [Smile]ing

There are 10 kinds of people in the world, those who understand binary and those who don't.
 
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There might be one thing you overlooked, if this is not working: SET REPORTBEHAVIOR 90 is needed for the trimming feature, as that is done via GDI+ only in the nerw 9.0 reportengine mode.

Bye, Olaf.
 
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Thanks people.

Report behavior is set to 80, so now I know why it isn't working.

I'll try some of this stuff after the weekend.

Sam
 
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