Android Open Source - android-virtual-layout Props

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License

The source code is released under:

MIT License

Java Source Code

package trikita.anvil;
/*from  w  w  w.  j a  va 2s  .  c  o  m*/
import android.graphics.Typeface;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import android.widget.LinearLayout;
import android.widget.TableRow;

import java.util.ArrayList;
import java.util.List;

import static trikita.anvil.Render.*;

public class Props {
  //
  // Syntax sugar
  //
  
  // weight constants
  public final static int FILL = ViewGroup.LayoutParams.FILL_PARENT;
  public final static int MATCH = ViewGroup.LayoutParams.MATCH_PARENT;
  public final static int WRAP = ViewGroup.LayoutParams.WRAP_CONTENT;

  // gravity constants
  public final static int TOP = 0x30;
  public final static int BOTTOM = 0x50;
  public final static int LEFT = 0x03;
  public final static int RIGHT = 0x05;
  public final static int CENTER_VERTICAL = 0x10;
  public final static int GROW_VERTICAL = 0x70;
  public final static int CENTER_HORIZONTAL = 0x01;
  public final static int GROW_HORIZONTAL = 0x07;
  public final static int CENTER = CENTER_VERTICAL|CENTER_HORIZONTAL;
  public final static int GROW = GROW_VERTICAL|GROW_HORIZONTAL;
  public final static int CLIP_VERTICAL = 0x80;
  public final static int CLIP_HORIZONTAL = 0x08;
  public final static int START = 0x00800003;
  public final static int END = 0x00800005;

  public static class LayoutNode implements AttrNode {
    int width;
    int height;
    float weight;
    int gravity;
    int column;
    int span;
    int[] margin = new int[4];
    
    public LayoutNode(int width, int height) {
      this.width = width;
      this.height = height;
    }

    public LayoutNode weight(float w) {
      this.weight = w;
      return this;
    }

    public LayoutNode margin(int m) {
      return margin(m, m, m, m);
    }

    public LayoutNode margin(int horizontal, int vertical) {
      return margin(horizontal, vertical, horizontal, vertical);
    }

    public LayoutNode margin(int l, int t, int r, int b) {
      this.margin[0] = l;
      this.margin[1] = t;
      this.margin[2] = r;
      this.margin[3] = b;
      return this;
    }

    public LayoutNode gravity(int g) {
      this.gravity = g;
      return this;
    }

    public LayoutNode column(int column) {
      this.column = column;
      return this;
    }

    public LayoutNode span(int span) {
      this.span = span;
      return this;
    }

    public void apply(View v) {
      ViewGroup.LayoutParams p = v.getLayoutParams();
      p.width = width;
      p.height = height;
      if (p instanceof ViewGroup.MarginLayoutParams) {
        ((ViewGroup.MarginLayoutParams) p).leftMargin = this.margin[0];
        ((ViewGroup.MarginLayoutParams) p).topMargin = this.margin[1];
        ((ViewGroup.MarginLayoutParams) p).rightMargin = this.margin[2];
        ((ViewGroup.MarginLayoutParams) p).bottomMargin = this.margin[3];
      }
      if (p instanceof LinearLayout.LayoutParams) {
        ((LinearLayout.LayoutParams) p).weight = this.weight;
        ((LinearLayout.LayoutParams) p).gravity = this.gravity;
      }
      if (p instanceof FrameLayout.LayoutParams) {
        ((FrameLayout.LayoutParams) p).gravity = this.gravity;
      }
      if (p instanceof TableRow.LayoutParams) {
        ((TableRow.LayoutParams) p).column = this.column;
        ((TableRow.LayoutParams) p).span = this.span;
      }
      v.setLayoutParams(p);
    }

    public int hashCode() {
      return this.width + this.height + Float.floatToIntBits(this.weight) +
        this.gravity + this.column + this.span +
        this.margin[0] + this.margin[1] + this.margin[2] + this.margin[3];
    }

    public boolean equals(Object obj) {
      if (getClass() == obj.getClass()) {
        LayoutNode n = (LayoutNode) obj;
        return this.width == n.width && this.height == n.height &&
          this.weight == n.weight && this.gravity == n.gravity &&
          this.column == n.column && this.span == n.span &&
          this.margin[0] == n.margin[0] && this.margin[1] == n.margin[1] &&
          this.margin[2] == n.margin[2] && this.margin[3] == n.margin[3];
      }
      return false;
    }
  }

  public static LayoutNode size(int w, int h) {
    return new LayoutNode(w, h);
  }

  public static AttrNode padding(int p) {
    return padding(p, p, p, p);
  }

  public static AttrNode padding(int horizontal, int vertical) {
    return padding(horizontal, vertical, horizontal, vertical);
  }

  public static AttrNode padding(final int left, final int top, final int right, final int bottom) {
    final List<Integer> params = new ArrayList<Integer>() {{
      add(top); add(right); add(bottom); add(left);
    }};
    return new SimpleAttrNode(params) {
      public void apply(View v) {
        v.setPadding(params.get(0), params.get(1), params.get(2), params.get(3));
      }
    };
  }

  public static AttrNode typeface(final String font) {
    return new SimpleAttrNode(font) {
      public void apply(View v) {
        if (v instanceof android.widget.TextView) {
          ((android.widget.TextView) v)
            .setTypeface(Typeface.createFromAsset(v.getContext().getAssets(), font));
        }
      }
    };
  }

  //
  // Generated bindings
  //
}

Java Source Code List

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