Added chapter on collection and container classes to contents

[wxWidgets.git] / src / html / htmlcell.cpp

diff --git a/src/html/htmlcell.cpp b/src/html/htmlcell.cpp
index 81fd8b97ced9b79d933f1120e24c46af84dc3ad7..820fdd9cc01abaa49aae1fed3e152bc893aa1577 100644 (file)
--- a/src/html/htmlcell.cpp
+++ b/src/html/htmlcell.cpp
@@ -14,7 +14,8 @@
 #include "wx/wxprec.h"
 
 #include "wx/defs.h"
-#if wxUSE_HTML
+
+#if wxUSE_HTML && wxUSE_STREAMS
 
 #ifdef __BORDLANDC__
 #pragma hdrstop
@@ -85,7 +86,38 @@ bool wxHtmlCell::AdjustPagebreak(int *pagebreak) const
 void wxHtmlCell::SetLink(const wxHtmlLinkInfo& link) 
 {
     if (m_Link) delete m_Link;
-    m_Link = new wxHtmlLinkInfo(link);
+    m_Link = NULL;
+    if (link.GetHref() != wxEmptyString)
+        m_Link = new wxHtmlLinkInfo(link);
+}
+
+
+
+void wxHtmlCell::Layout(int w) 
+{
+    SetPos(0, 0); 
+    if (m_Next) m_Next -> Layout(w);
+}
+
+
+void wxHtmlCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2) 
+{
+    if (m_Next) m_Next -> Draw(dc, x, y, view_y1, view_y2);
+}
+
+
+
+void wxHtmlCell::DrawInvisible(wxDC& dc, int x, int y) 
+{
+    if (m_Next) m_Next -> DrawInvisible(dc, x, y);
+}
+
+
+
+const wxHtmlCell* wxHtmlCell::Find(int condition, const void* param) const 
+{
+    if (m_Next) return m_Next -> Find(condition, param); 
+    else return NULL;
 }
 
 
@@ -101,7 +133,7 @@ wxHtmlWordCell::wxHtmlWordCell(const wxString& word, wxDC& dc) : wxHtmlCell()
     if (m_Word.Find(wxT('&')) != -1) 
     {
 #define ESCSEQ(escape, subst)  \
-                  { wxT("&"escape";"), wxT("&"escape" "), wxT(subst) } 
+                  { _T("&") _T(escape) _T(";"), _T("&") _T(escape) _T(" "), _T(subst) } 
         static wxChar* substitutions[][3] = 
                 {
                 ESCSEQ("quot", "\""),
@@ -241,11 +273,16 @@ wxHtmlContainerCell::wxHtmlContainerCell(wxHtmlContainerCell *parent) : wxHtmlCe
     m_WidthFloat = 100; m_WidthFloatUnits = wxHTML_UNITS_PERCENT;
     m_UseBkColour = FALSE;
     m_UseBorder = FALSE;
-    m_MinHeight = m_MaxLineWidth = 0;
+    m_MinHeight = 0;
     m_MinHeightAlign = wxHTML_ALIGN_TOP;
     m_LastLayout = -1;
 }
 
+wxHtmlContainerCell::~wxHtmlContainerCell() 
+{
+    if (m_Cells) delete m_Cells;
+}
+
 
 
 void wxHtmlContainerCell::SetIndent(int i, int what, int units)
@@ -318,6 +355,9 @@ void wxHtmlContainerCell::Layout(int w)
     int xdelta = 0, ybasicpos = 0, ydiff;
     int s_width, s_indent;
     int ysizeup = 0, ysizedown = 0;
+    int MaxLineWidth = 0;
+    int xcnt = 0;
+
 
     /*
 
@@ -350,8 +390,6 @@ void wxHtmlContainerCell::Layout(int w)
     s_indent = (m_IndentLeft < 0) ? (-m_IndentLeft * m_Width / 100) : m_IndentLeft;
     s_width = m_Width - s_indent - ((m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight);
 
-    m_MaxLineWidth = 0;
-
     // my own layouting:
     while (cell != NULL) {
         switch (m_AlignVer) {
@@ -367,28 +405,53 @@ void wxHtmlContainerCell::Layout(int w)
         cell -> SetPos(xpos, ybasicpos + cell -> GetDescent());
         xpos += cell -> GetWidth();
         cell = cell -> GetNext();
+        xcnt++;
 
         // force new line if occured:
         if ((cell == NULL) || (xpos + cell -> GetWidth() > s_width)) {
-            if (xpos > m_MaxLineWidth) m_MaxLineWidth = xpos;
+            if (xpos > MaxLineWidth) MaxLineWidth = xpos;
             if (ysizeup < 0) ysizeup = 0;
             if (ysizedown < 0) ysizedown = 0;
             switch (m_AlignHor) {
-                case wxHTML_ALIGN_LEFT : xdelta = 0; break;
-                case wxHTML_ALIGN_RIGHT : xdelta = 0 + (s_width - xpos); break;
-                case wxHTML_ALIGN_CENTER : xdelta = 0 + (s_width - xpos) / 2; break;
+                case wxHTML_ALIGN_LEFT : 
+                case wxHTML_ALIGN_JUSTIFY : 
+                         xdelta = 0; 
+                         break;
+                case wxHTML_ALIGN_RIGHT : 
+                         xdelta = 0 + (s_width - xpos); 
+                         break;
+                case wxHTML_ALIGN_CENTER : 
+                         xdelta = 0 + (s_width - xpos) / 2; 
+                         break;
             }
             if (xdelta < 0) xdelta = 0;
             xdelta += s_indent;
 
             ypos += ysizeup;
-            while (line != cell) {
-                line -> SetPos(line -> GetPosX() + xdelta, ypos + line -> GetPosY());
-                line = line -> GetNext();
+            
+            if (m_AlignHor != wxHTML_ALIGN_JUSTIFY || cell == NULL)
+                while (line != cell) {
+                    line -> SetPos(line -> GetPosX() + xdelta, 
+                                   ypos + line -> GetPosY());
+                    line = line -> GetNext();
+                }
+            else
+            { 
+                int counter = 0;
+                int step = (s_width - xpos);
+                if (step < 0) step = 0;
+                xcnt--;
+                if (xcnt > 0) while (line != cell) {
+                    line -> SetPos(line -> GetPosX() + s_indent +
+                                   (counter++ * step / xcnt),
+                                   ypos + line -> GetPosY());
+                    line = line -> GetNext();
+                }
+                xcnt++;
             }
 
             ypos += ysizedown;
-            xpos = 0;
+            xpos = xcnt = 0;
             ysizeup = ysizedown = 0;
             line = cell;
         }
@@ -410,8 +473,8 @@ void wxHtmlContainerCell::Layout(int w)
         m_Height = m_MinHeight;
     }
 
-    m_MaxLineWidth += s_indent + ((m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight);
-    if (m_Width < m_MaxLineWidth) m_Width = m_MaxLineWidth;
+    MaxLineWidth += s_indent + ((m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight);
+    if (m_Width < MaxLineWidth) m_Width = MaxLineWidth;
 
     m_LastLayout = w;
 
@@ -510,6 +573,8 @@ void wxHtmlContainerCell::SetAlign(const wxHtmlTag& tag)
             SetAlignHor(wxHTML_ALIGN_CENTER);
         else if (alg == wxT("LEFT"))
             SetAlignHor(wxHTML_ALIGN_LEFT);
+        else if (alg == wxT("JUSTIFY"))
+            SetAlignHor(wxHTML_ALIGN_JUSTIFY);
         else if (alg == wxT("RIGHT"))
             SetAlignHor(wxHTML_ALIGN_RIGHT);
         m_LastLayout = -1;