// ** handle styles page
private void _lbStyles_SelectedIndexChanged(object sender, System.EventArgs e)
{
ReportStyle style = _lbStyles.SelectedItem as ReportStyle;
_picStyle.Image = (style != null) ? style.GetPreview(false) : null;
_owner._defaultStyleName = style.Name;
}
// ** ICloneable
public object Clone()
{
ReportStyle clone = (ReportStyle)this.MemberwiseClone();
for (int i = 0; i < _sections.Length; i++)
{
clone._sections[i] = (SectionStyle)_sections[i].Clone();
}
clone._builtIn = false;
return(clone);
}
private void _btnAdd_Click(object sender, System.EventArgs e)
{
// clone current style
ReportStyle style = _list.SelectedItem as ReportStyle;
ReportStyle clone = style.Clone() as ReportStyle;
// ensure that new name is unique
clone.Name = CreateUniqueName(clone.Name);
// add it to list control
_list.Items.Add(clone);
_list.SelectedItem = clone;
// remember we're dirty
_dirty = true;
}
private void _btnApply_Click(object sender, System.EventArgs e)
{
// get selected style
ReportStyle style = _list.SelectedItem as ReportStyle;
if (style != null && _designer != null && _designer.Report != null)
{
// save state, apply to report, repaint
_designer.UndoSaveState();
style.Apply(_designer.Report);
_designer.Invalidate();
// this is the new 'current' style
_owner._defaultStyleName = style.Name;
}
}
// update preview when properties change
private void _propGrid_PropertyValueChanged(object s, System.Windows.Forms.PropertyValueChangedEventArgs e)
{
// update preview
ReportStyle style = _list.SelectedItem as ReportStyle;
_preview.Image = style.GetPreview(true);
// update list
if (e.ChangedItem.PropertyDescriptor.Name == "Name")
{
int index = _list.SelectedIndex;
_list.Items[index] = style;
}
// remember we're dirty
_dirty = true;
}
private void _btnRemove_Click(object sender, System.EventArgs e)
{
// get current style, index
ReportStyle style = _list.SelectedItem as ReportStyle;
int index = _list.SelectedIndex;
// remove current style
_list.Items.Remove(style);
// restore index
if (index >= _list.Items.Count)
{
index = _list.Items.Count - 1;
}
_list.SelectedIndex = index;
// remember we're dirty
_dirty = true;
}
// update style preview
private void _list_SelectedIndexChanged(object sender, System.EventArgs e)
{
// get current style
ReportStyle style = _list.SelectedItem as ReportStyle;
if (style == null)
{
return;
}
// update preview
_preview.Image = style.GetPreview(false);
// we add a readonly attribute to predefined styles so that the grid can be used
// to explore it but cannot change it:
_propGrid.Enabled = true;
if (!style.IsCustom)
{
var roAttribute = new ReadOnlyAttribute(true);
if (!TypeDescriptor.GetAttributes(style).Matches(roAttribute))
{
TypeDescriptor.AddAttributes(style, roAttribute);
}
}
// update property grid
_propGrid.SelectedObject = style;
_propGrid.Refresh();
// only custom styles can be edited:
_lblPropGrid.Text = style.IsCustom ? Strings.ReportStyleForm.CustomStyleCaption : Strings.ReportStyleForm.BuiltInStyleCaption;
// update buttons
_btnRemove.Enabled = style.IsCustom;
}
// create report based on current user selections
// note: at this point _rpt.DataSource is already set
private void CreateReport()
{
// set report name
_rpt.ReportName = _txtReportName.Text.Trim();
// set up data source
DataSource ds = _rpt.DataSource;
ds.ConnectionString = _dsPicker.ConnectionString;
ds.RecordSource = _dsPicker.RecordSource;
// get schema and field template list
_schema = _rpt.DataSource.DataSourceInfo;
_fieldList = BuildFieldTemplateList();
// set up layout object
Layout lo = _rpt.Layout;
lo.Orientation = (_btnLandscape.Checked)
? OrientationEnum.Landscape
: OrientationEnum.Portrait;
lo.Width = lo.PageSize.Width - lo.MarginLeft - lo.MarginRight;
double width = lo.Width;
// create report groups
foreach (string s in _lstGroups.Items)
{
SortEnum sort = (IsFieldNumber(s)) ? SortEnum.Descending : SortEnum.Ascending;
Group g = _rpt.Groups.Add(s, s, sort);
g.KeepTogether = KeepTogetherEnum.KeepFirstDetail;
g.OutlineLabel.Expression = s;
// Make group header/footer visible (they are not by default, have no idea why):
g.SectionFooter.Visible = true;
g.SectionFooter.Visible = true;
}
// special handling for label reports
if (_btnLabels.Checked)
{
ListViewItem lvi = (_lvLabels.SelectedItems.Count > 0)
? _lvLabels.SelectedItems[0]
: _lvLabels.Items[0];
ReportLabel lbl = (ReportLabel)lvi.Tag;
BuildDetail(lbl);
return;
}
// build report header (1 field)
Section section = _rpt.Sections[SectionTypeEnum.Header];
section.Visible = true;
section.Height = 800;
section.Fields.Add(
MakeTextField("titleLbl",
_txtReportName.Text,
FIELD_OFFSET, 200, width, 600, FieldAlignEnum.LeftMiddle));
// build page footer (2 fields)
section = _rpt.Sections[SectionTypeEnum.PageFooter];
section.Visible = true;
section.Height = 500;
section.Fields.Add(
MakeTextField("ftrLeft",
new ScriptObjectValue()
{
Expression = "Now()"
},
FIELD_OFFSET, 30, width / 2, 300, FieldAlignEnum.LeftTop));
section.Fields.Add(
MakeTextField("ftrRight",
new ScriptObjectValue()
{
Expression = Strings.ReportWizard.PageOfPagesText
},
width / 2, 30, width / 2, 300, FieldAlignEnum.RightTop));
// build other sections (these vary with selected layout)
BuildPageHeader();
for (int i = 0; i < _rpt.Groups.Count; i++)
{
BuildGroupHeader(i);
}
BuildDetail();
// all done, apply selected style
ReportStyle style = _lbStyles.SelectedItem as ReportStyle;
if (style != null)
{
style.Apply(_rpt);
}
}
