Esempio n. 1
0
 /// <summary>A specialized enum containing alignment properties for list symbols.</summary>
 /// <remarks>
 /// A specialized enum containing alignment properties for list symbols.
 /// <see cref="iText.Layout.Properties.ListSymbolAlignment.LEFT"/>
 /// means that the items will be aligned as follows:
 /// 9.  Item 9
 /// 10. Item 10
 /// Whereas
 /// <see cref="iText.Layout.Properties.ListSymbolAlignment.RIGHT"/>
 /// means the items will be aligned as follows:
 /// 9. Item 9
 /// 10. Item 10
 /// </remarks>
 public virtual iText.Layout.Element.List SetListSymbolAlignment(ListSymbolAlignment alignment)
 {
     SetProperty(Property.LIST_SYMBOL_ALIGNMENT, alignment);
     return(this);
 }
        public override void Draw(DrawContext drawContext)
        {
            bool           isTagged   = drawContext.IsTaggingEnabled() && GetModelElement() is IAccessibleElement;
            TagTreePointer tagPointer = null;

            if (isTagged)
            {
                tagPointer = drawContext.GetDocument().GetTagStructureContext().GetAutoTaggingPointer();
                IAccessibleElement modelElement = (IAccessibleElement)GetModelElement();
                PdfName            role         = modelElement.GetRole();
                if (role != null && !PdfName.Artifact.Equals(role))
                {
                    bool lBodyTagIsCreated = tagPointer.IsElementConnectedToTag(modelElement);
                    if (!lBodyTagIsCreated)
                    {
                        tagPointer.AddTag(PdfName.LI);
                    }
                    else
                    {
                        tagPointer.MoveToTag(modelElement).MoveToParent();
                    }
                }
                else
                {
                    isTagged = false;
                }
            }
            base.Draw(drawContext);
            // It will be null in case of overflow (only the "split" part will contain symbol renderer.
            if (symbolRenderer != null)
            {
                symbolRenderer.SetParent(parent);
                float x = occupiedArea.GetBBox().GetX();
                if (childRenderers.Count > 0)
                {
                    float?yLine = ((AbstractRenderer)childRenderers[0]).GetFirstYLineRecursively();
                    if (yLine != null)
                    {
                        if (symbolRenderer is TextRenderer)
                        {
                            ((TextRenderer)symbolRenderer).MoveYLineTo((float)yLine);
                        }
                        else
                        {
                            symbolRenderer.Move(0, (float)yLine - symbolRenderer.GetOccupiedArea().GetBBox().GetY());
                        }
                    }
                    else
                    {
                        symbolRenderer.Move(0, occupiedArea.GetBBox().GetY() + occupiedArea.GetBBox().GetHeight() - (symbolRenderer
                                                                                                                     .GetOccupiedArea().GetBBox().GetY() + symbolRenderer.GetOccupiedArea().GetBBox().GetHeight()));
                    }
                }
                else
                {
                    symbolRenderer.Move(0, occupiedArea.GetBBox().GetY() + occupiedArea.GetBBox().GetHeight() - symbolRenderer
                                        .GetOccupiedArea().GetBBox().GetHeight() - symbolRenderer.GetOccupiedArea().GetBBox().GetY());
                }
                ListSymbolAlignment listSymbolAlignment = (ListSymbolAlignment)parent.GetProperty <ListSymbolAlignment?>(Property
                                                                                                                         .LIST_SYMBOL_ALIGNMENT, ListSymbolAlignment.RIGHT);
                float xPosition = x - symbolRenderer.GetOccupiedArea().GetBBox().GetX();
                if (listSymbolAlignment == ListSymbolAlignment.RIGHT)
                {
                    xPosition += symbolAreaWidth - symbolRenderer.GetOccupiedArea().GetBBox().GetWidth();
                }
                symbolRenderer.Move(xPosition, 0);
                if (isTagged)
                {
                    tagPointer.AddTag(0, PdfName.Lbl);
                }
                symbolRenderer.Draw(drawContext);
                if (isTagged)
                {
                    tagPointer.MoveToParent();
                }
            }
            if (isTagged)
            {
                tagPointer.MoveToParent();
            }
        }
Esempio n. 3
0
 public override void Draw(DrawContext drawContext)
 {
     if (occupiedArea == null)
     {
         ILog logger = LogManager.GetLogger(typeof(iText.Layout.Renderer.ListItemRenderer));
         logger.Error(MessageFormatUtil.Format(iText.IO.LogMessageConstant.OCCUPIED_AREA_HAS_NOT_BEEN_INITIALIZED,
                                               "Drawing won't be performed."));
         return;
     }
     if (drawContext.IsTaggingEnabled())
     {
         LayoutTaggingHelper taggingHelper = this.GetProperty <LayoutTaggingHelper>(Property.TAGGING_HELPER);
         if (taggingHelper != null)
         {
             if (symbolRenderer != null)
             {
                 LayoutTaggingHelper.AddTreeHints(taggingHelper, symbolRenderer);
             }
             if (taggingHelper.IsArtifact(this))
             {
                 taggingHelper.MarkArtifactHint(symbolRenderer);
             }
             else
             {
                 TaggingHintKey hintKey    = LayoutTaggingHelper.GetHintKey(this);
                 TaggingHintKey parentHint = taggingHelper.GetAccessibleParentHint(hintKey);
                 if (parentHint != null && !(StandardRoles.LI.Equals(parentHint.GetAccessibleElement().GetAccessibilityProperties
                                                                         ().GetRole())))
                 {
                     TaggingDummyElement    listItemIntermediate = new TaggingDummyElement(StandardRoles.LI);
                     IList <TaggingHintKey> intermediateKid      = JavaCollectionsUtil.SingletonList <TaggingHintKey>(LayoutTaggingHelper
                                                                                                                      .GetOrCreateHintKey(listItemIntermediate));
                     taggingHelper.ReplaceKidHint(hintKey, intermediateKid);
                     if (symbolRenderer != null)
                     {
                         taggingHelper.AddKidsHint(listItemIntermediate, JavaCollectionsUtil.SingletonList <IRenderer>(symbolRenderer
                                                                                                                       ));
                     }
                     taggingHelper.AddKidsHint(listItemIntermediate, JavaCollectionsUtil.SingletonList <IRenderer>(this));
                 }
             }
         }
     }
     base.Draw(drawContext);
     // It will be null in case of overflow (only the "split" part will contain symbol renderer.
     if (symbolRenderer != null && !symbolAddedInside)
     {
         bool isRtl = BaseDirection.RIGHT_TO_LEFT.Equals(this.GetProperty <BaseDirection?>(Property.BASE_DIRECTION));
         symbolRenderer.SetParent(this);
         float x = isRtl ? occupiedArea.GetBBox().GetRight() : occupiedArea.GetBBox().GetLeft();
         ListSymbolPosition symbolPosition = (ListSymbolPosition)ListRenderer.GetListItemOrListProperty(this, parent
                                                                                                        , Property.LIST_SYMBOL_POSITION);
         if (symbolPosition != ListSymbolPosition.DEFAULT)
         {
             float?symbolIndent = this.GetPropertyAsFloat(Property.LIST_SYMBOL_INDENT);
             if (isRtl)
             {
                 x += (symbolAreaWidth + (float)(symbolIndent == null ? 0 : symbolIndent));
             }
             else
             {
                 x -= (symbolAreaWidth + (float)(symbolIndent == null ? 0 : symbolIndent));
             }
             if (symbolPosition == ListSymbolPosition.OUTSIDE)
             {
                 if (isRtl)
                 {
                     UnitValue marginRightUV = this.GetPropertyAsUnitValue(Property.MARGIN_RIGHT);
                     if (!marginRightUV.IsPointValue())
                     {
                         ILog logger = LogManager.GetLogger(typeof(iText.Layout.Renderer.ListItemRenderer));
                         logger.Error(MessageFormatUtil.Format(iText.IO.LogMessageConstant.PROPERTY_IN_PERCENTS_NOT_SUPPORTED, Property
                                                               .MARGIN_RIGHT));
                     }
                     x -= marginRightUV.GetValue();
                 }
                 else
                 {
                     UnitValue marginLeftUV = this.GetPropertyAsUnitValue(Property.MARGIN_LEFT);
                     if (!marginLeftUV.IsPointValue())
                     {
                         ILog logger = LogManager.GetLogger(typeof(iText.Layout.Renderer.ListItemRenderer));
                         logger.Error(MessageFormatUtil.Format(iText.IO.LogMessageConstant.PROPERTY_IN_PERCENTS_NOT_SUPPORTED, Property
                                                               .MARGIN_LEFT));
                     }
                     x += marginLeftUV.GetValue();
                 }
             }
         }
         ApplyMargins(occupiedArea.GetBBox(), false);
         ApplyBorderBox(occupiedArea.GetBBox(), false);
         if (childRenderers.Count > 0)
         {
             float?yLine = null;
             for (int i = 0; i < childRenderers.Count; i++)
             {
                 if (childRenderers[i].GetOccupiedArea().GetBBox().GetHeight() > 0)
                 {
                     yLine = ((AbstractRenderer)childRenderers[i]).GetFirstYLineRecursively();
                     if (yLine != null)
                     {
                         break;
                     }
                 }
             }
             if (yLine != null)
             {
                 if (symbolRenderer is LineRenderer)
                 {
                     symbolRenderer.Move(0, (float)yLine - ((LineRenderer)symbolRenderer).GetYLine());
                 }
                 else
                 {
                     symbolRenderer.Move(0, (float)yLine - symbolRenderer.GetOccupiedArea().GetBBox().GetY());
                 }
             }
             else
             {
                 symbolRenderer.Move(0, occupiedArea.GetBBox().GetY() + occupiedArea.GetBBox().GetHeight() - (symbolRenderer
                                                                                                              .GetOccupiedArea().GetBBox().GetY() + symbolRenderer.GetOccupiedArea().GetBBox().GetHeight()));
             }
         }
         else
         {
             if (symbolRenderer is TextRenderer)
             {
                 ((TextRenderer)symbolRenderer).MoveYLineTo(occupiedArea.GetBBox().GetY() + occupiedArea.GetBBox().GetHeight
                                                                () - CalculateAscenderDescender()[0]);
             }
             else
             {
                 symbolRenderer.Move(0, occupiedArea.GetBBox().GetY() + occupiedArea.GetBBox().GetHeight() - symbolRenderer
                                     .GetOccupiedArea().GetBBox().GetHeight() - symbolRenderer.GetOccupiedArea().GetBBox().GetY());
             }
         }
         ApplyBorderBox(occupiedArea.GetBBox(), true);
         ApplyMargins(occupiedArea.GetBBox(), true);
         ListSymbolAlignment listSymbolAlignment = (ListSymbolAlignment)parent.GetProperty <ListSymbolAlignment?>(Property
                                                                                                                  .LIST_SYMBOL_ALIGNMENT, isRtl ? ListSymbolAlignment.LEFT : ListSymbolAlignment.RIGHT);
         float dxPosition = x - symbolRenderer.GetOccupiedArea().GetBBox().GetX();
         if (listSymbolAlignment == ListSymbolAlignment.RIGHT)
         {
             if (!isRtl)
             {
                 dxPosition += symbolAreaWidth - symbolRenderer.GetOccupiedArea().GetBBox().GetWidth();
             }
         }
         else
         {
             if (listSymbolAlignment == ListSymbolAlignment.LEFT)
             {
                 if (isRtl)
                 {
                     dxPosition -= (symbolAreaWidth - symbolRenderer.GetOccupiedArea().GetBBox().GetWidth());
                 }
             }
         }
         if (symbolRenderer is LineRenderer)
         {
             if (isRtl)
             {
                 symbolRenderer.Move(dxPosition - symbolRenderer.GetOccupiedArea().GetBBox().GetWidth(), 0);
             }
             else
             {
                 symbolRenderer.Move(dxPosition, 0);
             }
         }
         else
         {
             symbolRenderer.Move(dxPosition, 0);
         }
         if (symbolRenderer.GetOccupiedArea().GetBBox().GetRight() > parent.GetOccupiedArea().GetBBox().GetLeft())
         {
             BeginElementOpacityApplying(drawContext);
             symbolRenderer.Draw(drawContext);
             EndElementOpacityApplying(drawContext);
         }
     }
 }