FormItemLayout


1   package org.joshy.html.forms;
2   
3   import java.util.*;
4   import java.awt.Dimension  ;
5   import java.awt.Point  ;
6   import javax.swing.JComponent  ;
7   import org.joshy.u;
8   import org.joshy.html.box.Box;
9   import org.joshy.html.box.*;
10  import org.joshy.html.*;
11  import org.w3c.dom.*;
12  
13  public abstract class FormItemLayout extends CustomBlockLayout {
14      
15      abstract public JComponent   createComponent(Element elem);
16      
17      private JComponent   comp;
18      
19      public Box createBox(Context c, Node node) {
20          Element elem = (Element)node;
21          comp = createComponent(elem);
22          c.canvas.add(comp);
23          comp.setLocation(100,100);
24          //u.p("added a component to the viewport: " + comp);
25          //u.p("pref size = " + comp.getPreferredSize());
26          InputBox box = new InputBox();
27          box.node = node;
28          box.component = comp;
29          return box;
30      }
31      
32      public Dimension   getIntrinsicDimensions(Context c, Element elem) {
33          //comp.setLocation(50,50);
34          Dimension   dim = comp.getPreferredSize();
35          //return new Dimension(10,10);
36          //u.p("get intrinsic = " + dim);
37          return dim;
38      }
39      
40      public void doInlinePaint(Context c, InlineBox block) {
41          //u.p("FormItemLayout.doInlinePaint() : " + block);
42          //u.p("sub = " + block.sub_block);
43          
44          // get the border and padding
45          Border border = getBorder(c,block);
46          Border padding = getPadding(c,block);
47          Border margin = getMargin(c, block);
48  
49          // calculate the insets
50          int top_inset = margin.top + border.top + padding.top;
51          int left_inset = margin.left + border.left + padding.left;
52  
53          // shrink the bounds to be based on the contents
54          c.getExtents().width = block.width;
55          
56          // do all of the painting
57          paintBackground(c,block);
58          //u.p("insets = " + left_inset  + " " + top_inset);
59          c.getGraphics().translate(left_inset,top_inset);
60          paintComponent(c,block.sub_block);
61          c.getGraphics().translate(-left_inset,-top_inset);
62          paintBorder(c,block);
63          
64          // move the origin down now that we are done painting (should move this later)
65          c.getExtents().y = c.getExtents().y + block.height;
66  /*        */
67          //super.paint(c,block.sub_block);
68      }
69      
70      
71      public void paint(Context c, Box box) {
72          if(box instanceof InlineBox) {
73              InlineBox block = (InlineBox)box;
74              //u.p("FormItemLayout.paint() box = " + block);
75              //u.p("FormItemLayout.paint() sub = " + block.sub_block);
76              doInlinePaint(c,block);
77          } else {
78              super.paint(c,box);
79          }
80          /*
81          
82          // set the contents size
83          //Rectangle contents = layout(c,elem);
84          
85          // get the border and padding
86          Border border = getBorder(c,block);
87          Border padding = getPadding(c,block);
88          Border margin = getMargin(c, block);
89  
90          // calculate the insets
91          int top_inset = margin.top + border.top + padding.top;
92          int left_inset = margin.left + border.left + padding.left;
93  
94          // shrink the bounds to be based on the contents
95          c.getExtents().width = block.width;
96          
97          // do all of the painting
98          //paintBackground(c,block);
99          //u.p("insets = " + left_inset  + " " + top_inset);
100         c.getGraphics().translate(left_inset,top_inset);
101         //c.getExtents().translate(left_inset,top_inset);
102         
103         paintComponent(c,block.sub_block);
104         
105         c.getGraphics().translate(-left_inset,-top_inset);
106         //c.getExtents().translate(-left_inset,-top_inset);
107         //paintBorder(c,block);
108         
109         // move the origin down now that we are done painting (should move this later)
110         c.getExtents().y = c.getExtents().y + block.height;
111         
112         */
113     }
114 
115     public void paintComponent(Context c, Box box) {
116         //u.p("FormItemLayout.paintComponent() = " + box);
117         InputBox ib = (InputBox)box;
118         //u.p("left inset = " + box.totalLeftPadding());
119         //u.p("comp dim = " + ib.component.getSize());
120         //c.getGraphics().fillRect(box.x,box.y,box.width,box.height);
121         
122         //int yoff = c.canvas.getLocation().y;
123         //u.p("yoff = " + yoff);
124         
125         //u.p("current x = " + box.x + " y " + box.y);
126         Point   coords = absCoords(box);
127         
128         // joshy: i don't know why we have to add the extra +5
129         // i think it's because of the fact that this is a box
130         // nested inside of an inline. when we redo the inline-block code
131         // this should be fixed
132         
133         coords.x += box.totalLeftPadding()+box.getParent().totalLeftPadding();
134         coords.y += box.totalTopPadding()+box.getParent().totalTopPadding();
135         //u.p("abs coords = " + coords);
136         //u.p("comp coords = " + ib.component.getLocation());
137         
138         Point   loc = ib.component.getLocation();
139         if(loc.y != coords.y ||
140             loc.x != coords.x) {
141             //u.p("coords = " + coords);
142             //u.p("loc = " + loc);
143             loc.y = coords.y;
144             loc.x = coords.x;
145             ib.component.setLocation(coords);
146             ib.component.invalidate();
147             //u.p("moved : " + ib.component + " to " + coords);
148         }
149         
150         //Point pt = new Point(0,0);
151         //comp.setLocation(pt);
152         //comp.setSize(50,50);
153         //comp.setLocation(50,50);
154         //u.p("painting");
155         //comp.paint(c.getGraphics());
156         
157 
158     }
159 
160     public Point   absCoords(Box box) {
161         //u.p("box = " + box);
162         //u.p("x = " + box.x + " y = " + box.y);
163         //u.p("Parent = " + box.getParent());
164         Point   pt = new Point  (0,0);
165         pt.x += box.x;
166         pt.y += box.y;
167         
168         if(box.getParent() != null) {
169             Point   pt_parent = absCoords(box.getParent());
170             pt.x += pt_parent.x;
171             pt.y += pt_parent.y;
172             //return box.x + absX(box.getParent());
173         }
174         return pt;
175     }
176 
177     
178 }
179
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