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author | Henri Sara <henri.sara@itmill.com> | 2009-05-11 09:19:03 +0000 |
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committer | Henri Sara <henri.sara@itmill.com> | 2009-05-11 09:19:03 +0000 |
commit | adc8c0ad3573272c236040c3a76005b9e73a5737 (patch) | |
tree | a3860704dbd5b82dc6af38684b80f8ef79a32722 /src/com/vaadin/ui/Alignment.java | |
parent | 5abc870dda584d0c2fc47fd5eec4ae3de3fa240e (diff) | |
download | vaadin-framework-adc8c0ad3573272c236040c3a76005b9e73a5737.tar.gz vaadin-framework-adc8c0ad3573272c236040c3a76005b9e73a5737.zip |
#2904: initial bulk rename "com.itmill.toolkit" -> "com.vaadin"
- com.itmill.toolkit.external not yet fully renamed
svn changeset:7715/svn branch:6.0
Diffstat (limited to 'src/com/vaadin/ui/Alignment.java')
-rw-r--r-- | src/com/vaadin/ui/Alignment.java | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/src/com/vaadin/ui/Alignment.java b/src/com/vaadin/ui/Alignment.java new file mode 100644 index 0000000000..12d4c00110 --- /dev/null +++ b/src/com/vaadin/ui/Alignment.java @@ -0,0 +1,155 @@ +package com.vaadin.ui; + +import java.io.Serializable; + +import com.vaadin.terminal.gwt.client.ui.AlignmentInfo.Bits; + +/** + * Class containing information about alignment of a component. Use the + * pre-instantiated classes. + */ +@SuppressWarnings("serial") +public final class Alignment implements Serializable { + + public static final Alignment TOP_RIGHT = new Alignment(Bits.ALIGNMENT_TOP + + Bits.ALIGNMENT_RIGHT); + public static final Alignment TOP_LEFT = new Alignment(Bits.ALIGNMENT_TOP + + Bits.ALIGNMENT_LEFT); + public static final Alignment TOP_CENTER = new Alignment(Bits.ALIGNMENT_TOP + + Bits.ALIGNMENT_HORIZONTAL_CENTER); + public static final Alignment MIDDLE_RIGHT = new Alignment( + Bits.ALIGNMENT_VERTICAL_CENTER + Bits.ALIGNMENT_RIGHT); + public static final Alignment MIDDLE_LEFT = new Alignment( + Bits.ALIGNMENT_VERTICAL_CENTER + Bits.ALIGNMENT_LEFT); + public static final Alignment MIDDLE_CENTER = new Alignment( + Bits.ALIGNMENT_VERTICAL_CENTER + Bits.ALIGNMENT_HORIZONTAL_CENTER); + public static final Alignment BOTTOM_RIGHT = new Alignment( + Bits.ALIGNMENT_BOTTOM + Bits.ALIGNMENT_RIGHT); + public static final Alignment BOTTOM_LEFT = new Alignment( + Bits.ALIGNMENT_BOTTOM + Bits.ALIGNMENT_LEFT); + public static final Alignment BOTTOM_CENTER = new Alignment( + Bits.ALIGNMENT_BOTTOM + Bits.ALIGNMENT_HORIZONTAL_CENTER); + + private final int bitMask; + + public Alignment(int bitMask) { + this.bitMask = bitMask; + } + + /** + * Returns a bitmask representation of the alignment value. Used internally + * by terminal. + * + * @return the bitmask representation of the alignment value + */ + public int getBitMask() { + return bitMask; + } + + /** + * Checks if component is aligned to the top of the available space. + * + * @return true if aligned top + */ + public boolean isTop() { + return (bitMask & Bits.ALIGNMENT_TOP) == Bits.ALIGNMENT_TOP; + } + + /** + * Checks if component is aligned to the bottom of the available space. + * + * @return true if aligned bottom + */ + public boolean isBottom() { + return (bitMask & Bits.ALIGNMENT_BOTTOM) == Bits.ALIGNMENT_BOTTOM; + } + + /** + * Checks if component is aligned to the left of the available space. + * + * @return true if aligned left + */ + public boolean isLeft() { + return (bitMask & Bits.ALIGNMENT_LEFT) == Bits.ALIGNMENT_LEFT; + } + + /** + * Checks if component is aligned to the right of the available space. + * + * @return true if aligned right + */ + public boolean isRight() { + return (bitMask & Bits.ALIGNMENT_RIGHT) == Bits.ALIGNMENT_RIGHT; + } + + /** + * Checks if component is aligned middle (vertically center) of the + * available space. + * + * @return true if aligned bottom + */ + public boolean isMiddle() { + return (bitMask & Bits.ALIGNMENT_VERTICAL_CENTER) == Bits.ALIGNMENT_VERTICAL_CENTER; + } + + /** + * Checks if component is aligned center (horizontally) of the available + * space. + * + * @return true if aligned center + */ + public boolean isCenter() { + return (bitMask & Bits.ALIGNMENT_HORIZONTAL_CENTER) == Bits.ALIGNMENT_HORIZONTAL_CENTER; + } + + /** + * Returns string representation of vertical alignment. + * + * @return vertical alignment as CSS value + */ + public String getVerticalAlignment() { + if (isBottom()) { + return "bottom"; + } else if (isMiddle()) { + return "middle"; + } + return "top"; + } + + /** + * Returns string representation of horizontal alignment. + * + * @return horizontal alignment as CSS value + */ + public String getHorizontalAlignment() { + if (isRight()) { + return "right"; + } else if (isCenter()) { + return "center"; + } + return "left"; + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if ((obj == null) || (obj.getClass() != this.getClass())) { + return false; + } + Alignment a = (Alignment) obj; + return bitMask == a.bitMask; + } + + @Override + public int hashCode() { + return bitMask; + } + + @Override + public String toString() { + return String.valueOf(bitMask); + } + +} |