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< > BotCompany Repo | #1035946 // VScrollingWrapLayout - like WrapLayout but scrollable vertically [OK]

JavaX fragment (include) [tags: use-pretranspiled]

Transpiled version (9757L) is out of date.

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// currently doesn't use any gaps or margins
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sclass VScrollingWrapLayout > AbstractLayoutManager {
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  settable bool centeredHorizontally;
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  public void layoutContainer(Container parent) {
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    L<Component> components = getComponents(parent);
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    class X {
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      int maxWidth = parent.getWidth();
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      int x, y;
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      int lineHeight;
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      int componentsInLine, i;
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      void finishLine {
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        if (centeredHorizontally) {
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          int x1 = (maxWidth-x)/2;
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          for (int j = i-componentsInLine; j < i; j++) {
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            var c = components.get(j);
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            Rectangle r = c.getBounds();
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            c.setBounds(r.x+x1, r.y, r.width, r.height);
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          }
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        }
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      }
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      void run {
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        for (i = 0; i < l(components); i++) {
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          var c = components.get(i);
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          Dimension size = c.getPreferredSize();
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          bool needNewLine = componentsInLine != 0 && x+size.width > maxWidth;
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          if (needNewLine) {
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            finishLine();
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            y += lineHeight;
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            x = componentsInLine = lineHeight = 0;
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          }
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          c.setBounds(x, y, size.width, size.height);
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          x += size.width;
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          lineHeight = max(size.height, lineHeight);
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          ++componentsInLine;
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        }
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        finishLine();
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        preferredSize(maxWidth, y+lineHeight);
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      }
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    }
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    new X().run();
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  }
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}

Author comment

Began life as a copy of #1035072

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Travelled to 2 computer(s): elmgxqgtpvxh, mqqgnosmbjvj

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Snippet ID: #1035946
Snippet name: VScrollingWrapLayout - like WrapLayout but scrollable vertically [OK]
Eternal ID of this version: #1035946/9
Text MD5: ad6b10525014cd816852925437ae824d
Author: stefan
Category: javax / gui
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2022-11-26 19:24:10
Source code size: 1421 bytes / 49 lines
Pitched / IR pitched: No / No
Views / Downloads: 149 / 246
Version history: 8 change(s)
Referenced in: [show references]