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iReport Ultimate Guide Code Example 3-2 JasperTest.java, continued } } exporter.setParameter( JRExporterParameter.OUTPUT_FILE_NAME, outFileName); exporter.setParameter( JRExporterParameter.JASPER_PRINT,print); exporter.exportReport(); System.out.println("Created file: " + outFileName); } catch (JRException e) { e.printStackTrace(); System.exit(1); } catch (Exception e) { e.printStackTrace(); System.exit(1); } 44
Report Structure CHAPTER 4 REPORT STRUCTURE In this chapter we will analyze the report structure, the underlying template that determines the style and organization of a report. We will see the parts that compose it and how they behave in relation to input data as iReport creates an output report. This chapter has the following sections: • Bands • Working with Bands • Summary 4.1 Bands A report is defined by means of a type page. This is divided into different horizontal portions named “bands.” When the report is joined with data to run the print, these sections are printed many times according to their function (and according to the rules that the report author has set up). For instance, the page header is repeated at the beginning of every page, while the Detail band is repeated for every elaborated record. Figure 4-1 on page 46 shows a type page divided into the nine main pre-defined bands to which new groups are added. In fact, iReport manages a heading band (Group header) and a recapitulation band (Group footer) for every group. Detail, Group Header and Group Footer bands can then be split further into several bands, so we can have Detail 1, Detail 2, and so on. A band is always as wide as the usable page width (that is, excluding the right and left margins). However, its height, even if it is established during the design phase, can vary during the print creation according to the contained elements; it can lengthen towards the bottom of page in an arbitrary way. This typically occurs when bands contain subreports or textfields that have to adapt to the content. Generally, the height specified by the user should be considered the minimal height of the band. Not all bands can stretch dynamically according to the content, in particular the Column Footer, Page Footer and Last Page Footer bands. In general, the sum of all band heights (except for the background) always has to be less than or equal to the page height minus the top and bottom margins. This rule actually is much more complicated, in fact, there are several different cases and options that must be considered; for example, the Title band may be printed on a different page, the Page Footer and the Last Page Footer may have different sizes and are never considered together, and so on. For your convenience, the maximum allowed band size is dynamically calculated at design time by iReport, which prevents the user from setting invalid band heights (which would lead to a layout verification error at compile time) 45
Page 1 and 2: UNIFIED REPORTER iREPORT ULTIMATE G
Page 3 and 4: Table of Contents TABLE OF CONTENTS
Page 5 and 6: Table of Contents 6.1.2 Accessing t
Page 7 and 8: Table of Contents Chapter 13 Flash
Page 9 and 10: Introduction CHAPTER 1 INTRODUCTION
Page 11 and 12: Introduction To open the License Ma
Page 13 and 14: Getting Started CHAPTER 2 GETTING S
Page 15 and 16: Getting Started Figure 2-1 NetBeans
Page 17 and 18: Getting Started 2.6 The Windows Ins
Page 19 and 20: Getting Started 2.7 Installing iRep
Page 21 and 22: Getting Started Figure 2-8 Options
Page 23 and 24: Getting Started Figure 2-10 JDBC Co
Page 25 and 26: Getting Started The Data Sources dr
Page 27 and 28: Getting Started 3. In the third ste
Page 29 and 30: Getting Started Figure 2-18 Report
Page 31 and 32: Basic Notions of JasperReports CHAP
Page 33 and 34: Basic Notions of JasperReports Code
Page 35 and 36: Basic Notions of JasperReports Code
Page 37 and 38: 3.3 Data Sources and Print Formats
Page 39 and 40: Basic Notions of JasperReports java
Page 41 and 42: Basic Notions of JasperReports of a
Page 43: Basic Notions of JasperReports (new
Page 47 and 48: Report Structure Group Header Detai
Page 49 and 50: Report Structure The page margin di
Page 51 and 52: Report Structure Figure 4-6 Result
Page 53 and 54: Report Structure Multiple columns a
Page 55 and 56: Report Structure Figure 4-11 Proper
Page 57 and 58: Report Structure As you can see in
Page 59 and 60: Report Structure 4.1.3.12 Imports T
Page 61 and 62: Report Structure example, in a repo
Page 63 and 64: Report Elements CHAPTER 5 REPORT EL
Page 65 and 66: Report Elements Figure 5-3 Guidelin
Page 67 and 68: Report Elements Figure 5-6 Element
Page 69 and 70: Report Elements Table 5-1 Formattin
Page 71 and 72: Report Elements Figure 5-10 Table 5
Page 73 and 74: Report Elements Figure 5-11 Custom
Page 75 and 76: Report Elements 5.1.5.2 Rectangle T
Page 77 and 78: Report Elements Table 5-4 Type Imag
Page 79 and 80: Report Elements Table 5-5 Option Im
Page 81 and 82: Report Elements Code Example 5-1 Dy
Page 83 and 84: Report Elements Code Example 5-2 Pr
Page 85 and 86: Report Elements PDF font name PDF e
Page 87 and 88: Report Elements For your convenienc
Page 89 and 90: Report Elements Here there are some
Page 91 and 92: Report Elements The following brief
Page 93 and 94: 5.5 Adding Custom Components and Ge
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Fields, Parameters, and Variables C
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Fields, Parameters, and Variables I
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6.1.2 Accessing the SQL Query Desig
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Fields, Parameters, and Variables 6
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6.2.3 Built-in Parameters Fields, P
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Fields, Parameters, and Variables R
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Fields, Parameters, and Variables 6
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Fields, Parameters, and Variables T
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Bands and Groups CHAPTER 7 BANDS AN
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Bands and Groups expression may be
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Bands and Groups Figure 7-6 Draggin
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Bands and Groups Figure 7-10 The fi
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Bands and Groups Figure 7-14 shows
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7.3 Other Group Options Bands and G
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Fonts and Styles CHAPTER 8 FONTS AN
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Fonts and Styles The list of availa
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Fonts and Styles Figure 8-5 Font Ex
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Fonts and Styles Figure 8-7 Font Ex
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Fonts and Styles Figure 8-10 The ne
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Fonts and Styles To apply a style t
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Fonts and Styles Figure 8-17 The ou
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Templates CHAPTER 9 TEMPLATES One o
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Templates Figure 9-2 Columnar repor
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Templates Figure 9-4 Group by step
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Templates If a static text element
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Templates Figure 9-8 Your custom te
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Templates Figure 9-10 New template
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Templates Figure 9-12 Preview of re
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Subreports CHAPTER 10 SUBREPORTS Su
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Subreports Figure 10-3 Subreport el
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Subreports Figure 10-4 Subreport Pa
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Subreports Figure 10-7 Just a list
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Subreports Figure 10-11 Subreport W
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Subreports Figure 10-14 The final r
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Subreports 3. Click the Add button
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Subreports 10.4 Using the Subreport
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Subreports Figure 10-21 Subreport c
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Subreports Figure 10-23 Setting Sub
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Data Sources and Query Executers CH
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Data Sources and Query Executers
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Data Sources and Query Executers Fi
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Data Sources and Query Executers Af
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Data Sources and Query Executers In
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Data Sources and Query Executers pu
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Data Sources and Query Executers be
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Data Sources and Query Executers Wh
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Data Sources and Query Executers Co
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Data Sources and Query Executers Pr
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Data Sources and Query Executers sp
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Data Sources and Query Executers of
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Data Sources and Query Executers Th
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Data Sources and Query Executers Co
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Data Sources and Query Executers If
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Charts CHAPTER 12 CHARTS JasperRepo
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Charts Figure 12-3 Chart selection
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Charts Figure 12-6 Dataset configur
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Charts settings). These four fields
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Charts Figure 12-10 Chart Theme Des
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Charts Figure 12-12 Example chart t
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Run your report. iReport should dis
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Charts 1. First create a report. Fi
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Charts 4. Right-click on the chart
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Flash Charts CHAPTER 13 FLASH CHART
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Flash Charts The layout properties
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Flash Charts The following figure s
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Flash Charts Table 13-2 Entity IDs
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Flash Charts Table 13-3 Entity expr
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Flash Charts Figure 13-10 Specifyin
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Flash Charts Figure 13-12 Bar chart
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Flash Charts Figure 13-16 The Chart
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Flash Charts Figure 13-19 Advanced
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Flash Charts Figure 13-22 Entering
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Flash Charts Spark Line Spark Colum
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Flash Charts Figure 13-32 Common op
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Flash Charts Figure 13-35 Output of
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Flash Charts Figure 13-39 Output of
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Flash Charts Figure 13-43 Example o
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Lists, Tables, and Barcodes CHAPTER
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Lists, Tables, and Barcodes For you
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Lists, Tables, and Barcodes identif
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Lists, Tables, and Barcodes List el
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14.2 Tables Lists, Tables, and Barc
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Lists, Tables, and Barcodes iReport
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Lists, Tables, and Barcodes Figure
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Lists, Tables, and Barcodes Similar
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Lists, Tables, and Barcodes When us
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Subdatasets CHAPTER 15 SUBDATASETS
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Subdatasets JasperReports permits y
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Subdatasets Figure 15-7 Initial lay
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Subdatasets Figure 15-11 Pie datase
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Crosstabs CHAPTER 16 CROSSTABS A cr
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Crosstabs Using the Crosstab Wizard
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Crosstabs Figure 16-6 Outline tree
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Crosstabs Figure 16-8 Adding a Row
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Crosstabs Figure 16-11 Empty row to
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Crosstabs Figure 16-16 Crosstab Pro
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Crosstabs Figure 16-19 Crosstab Dat
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Crosstabs Figure 16-22 The result o
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Internationalization CHAPTER 17 INT
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Internationalization Figure 17-2 Cr
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Internationalization Figure 17-6 Ne
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Internationalization Figure 17-7 Lo
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Scriptlets CHAPTER 18 SCRIPTLETS A
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Scriptlets Table 18-1 Report events
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Scriptlets Figure 18-3 Adding a Jar
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Scriptlets Figure 18-5 Build output
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Scriptlets If you want to add more
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Scriptlets This is what you get in
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Scriptlets terminates the report ex
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Additional Tools CHAPTER 19 ADDITIO
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Additional Tools Figure 19-3 Date a
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Additional Tools Figure 19-4 Percen
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19.5 How to Run the Samples Additio
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Chart Theme Example APPENDIX A CHAR
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Chart Theme Example Code Example A-
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Index INDEX A Add selected field(s)
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Index components 241 embedded in Ja
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Index scriptlets 53 sheets. See pro
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