X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fviewmodel%2FOverviewDimensions.java;h=d7f2e61b641b1853a5dec85ffa270a83ffa11985;hb=c526a787880d475c11bbc9124052fd5b7d120405;hp=6f4a4e01c74f44a117b4e11ff14355b1787ed57b;hpb=536a4a9c407a4c07b71e86e75135eaa2ba5e8850;p=jalview.git

diff --git a/src/jalview/viewmodel/OverviewDimensions.java b/src/jalview/viewmodel/OverviewDimensions.java
index 6f4a4e0..d7f2e61 100644
--- a/src/jalview/viewmodel/OverviewDimensions.java
+++ b/src/jalview/viewmodel/OverviewDimensions.java
@@ -31,24 +31,45 @@ import java.awt.Graphics;
 public abstract class OverviewDimensions
 {
   protected static final int MAX_WIDTH = 400;
+
   protected static final int MIN_WIDTH = 120;
+
   protected static final int MIN_SEQ_HEIGHT = 40;
+
   protected static final int MAX_SEQ_HEIGHT = 300;
 
   private static final int DEFAULT_GRAPH_HEIGHT = 20;
 
   protected int width;
+
   protected int sequencesHeight;
+
   protected int graphHeight = DEFAULT_GRAPH_HEIGHT;
+
   protected int boxX = -1;
+
   protected int boxY = -1;
+
   protected int boxWidth = -1;
+
   protected int boxHeight = -1;
-  protected int scrollCol = -1;
-  protected int scrollRow = -1;
+
   protected int alwidth;
+
   protected int alheight;
 
+  protected float widthRatio;
+
+  protected float heightRatio;
+
+  /**
+   * Create an OverviewDimensions object
+   * 
+   * @param ranges
+   *          positional properties of the viewport
+   * @param showAnnotationPanel
+   *          true if the annotation panel is to be shown, false otherwise
+   */
   public OverviewDimensions(ViewportRanges ranges,
           boolean showAnnotationPanel)
   {
@@ -97,16 +118,6 @@ public abstract class OverviewDimensions
     g.drawRect(boxX + 1, boxY + 1, boxWidth - 2, boxHeight - 2);
   }
 
-  public int getScrollCol()
-  {
-    return scrollCol;
-  }
-
-  public int getScrollRow()
-  {
-    return scrollRow;
-  }
-
   public int getBoxX()
   {
     return boxX;
@@ -149,11 +160,13 @@ public abstract class OverviewDimensions
 
   public float getPixelsPerCol()
   {
+    resetAlignmentDims();
     return (float) width / alwidth;
   }
 
   public float getPixelsPerSeq()
   {
+    resetAlignmentDims();
     return (float) sequencesHeight / alheight;
   }
 
@@ -178,12 +191,47 @@ public abstract class OverviewDimensions
    *          the alignment's hidden sequences
    * @param hiddenCols
    *          the alignment's hidden columns
-   * @param ranges
-   *          the alignment's width and height ranges
    */
   public abstract void updateViewportFromMouse(int mousex, int mousey,
-          HiddenSequences hiddenSeqs, HiddenColumns hiddenCols,
-          ViewportRanges ranges);
+          HiddenSequences hiddenSeqs, HiddenColumns hiddenCols);
+
+  /**
+   * Update the viewport location from a mouse drag within the overview's box
+   * 
+   * @param mousex
+   *          x location of mouse
+   * @param mousey
+   *          y location of mouse
+   * @param hiddenSeqs
+   *          the alignment's hidden sequences
+   * @param hiddenCols
+   *          the alignment's hidden columns
+   */
+  public abstract void adjustViewportFromMouse(int mousex, int mousey,
+          HiddenSequences hiddenSeqs, HiddenColumns hiddenCols);
+
+  /**
+   * Initialise dragging from the mouse - must be called on initial mouse click
+   * before using adjustViewportFromMouse in drag operations
+   * 
+   * @param mousex
+   *          x location of mouse
+   * @param mousey
+   *          y location of mouse
+   * @param hiddenSeqs
+   *          the alignment's hidden sequences
+   * @param hiddenCols
+   *          the alignment's hidden columns
+   */
+  public abstract void setDragPoint(int x, int y,
+          HiddenSequences hiddenSeqs, HiddenColumns hiddenCols);
+
+  /*
+   * Move the viewport so that the top left corner of the overview's box 
+   * is at the mouse position (leftx, topy)
+   */
+  protected abstract void updateViewportFromTopLeft(int leftx, int topy,
+          HiddenSequences hiddenSeqs, HiddenColumns hiddenCols);
 
   /**
    * Set the overview panel's box position to match the viewport
@@ -192,33 +240,78 @@ public abstract class OverviewDimensions
    *          the alignment's hidden sequences
    * @param hiddenCols
    *          the alignment's hidden columns
-   * @param ranges
-   *          the alignment's width and height ranges
    */
   public abstract void setBoxPosition(HiddenSequences hiddenSeqs,
-          HiddenColumns hiddenCols, ViewportRanges ranges);
+          HiddenColumns hiddenCols);
 
   /**
    * Get the collection of columns used by this overview dimensions object
    * 
-   * @param ranges
-   *          the alignment's width and height ranges
    * @param hiddenCols
    *          the alignment's hidden columns
    * @return a column collection
    */
-  public abstract AlignmentColsCollectionI getColumns(
-          ViewportRanges ranges, HiddenColumns hiddenCols);
+  public abstract AlignmentColsCollectionI getColumns(AlignmentI al);
 
   /**
    * Get the collection of rows used by this overview dimensions object
    * 
-   * @param ranges
-   *          the alignment's width and height ranges
    * @param al
    *          the alignment
    * @return a row collection
    */
-  public abstract AlignmentRowsCollectionI getRows(
-          ViewportRanges ranges, AlignmentI al);
+  public abstract AlignmentRowsCollectionI getRows(AlignmentI al);
+
+  /**
+   * Updates overview dimensions to account for current alignment dimensions
+   */
+  protected abstract void resetAlignmentDims();
+
+  /*
+   * Given the box coordinates in residues and sequences, set the box dimensions in the overview window
+   */
+  protected void setBoxPosition(int startRes, int startSeq, int vpwidth,
+          int vpheight)
+  {
+    resetAlignmentDims();
+
+    // boxX, boxY is the x,y location equivalent to startRes, startSeq
+    int xPos = Math.min(startRes, alwidth - vpwidth + 1);
+    boxX = Math.round((float) xPos * width / alwidth);
+    boxY = Math.round((float) startSeq * sequencesHeight / alheight);
+
+    // boxWidth is the width in residues translated to pixels
+    boxWidth = Math.round((float) vpwidth * width / alwidth);
+
+    // boxHeight is the height in sequences translated to pixels
+    boxHeight = Math.round((float) vpheight * sequencesHeight / alheight);
+  }
+
+  /**
+   * Answers if a mouse position is in the overview's red box
+   * 
+   * @param x
+   *          mouse x position
+   * @param y
+   *          mouse y position
+   * @return true if (x,y) is inside the box
+   */
+  public boolean isPositionInBox(int x, int y)
+  {
+    return (x > boxX && y > boxY && x < boxX + boxWidth
+            && y < boxY + boxHeight);
+  }
+
+  /*
+   * Given the centre x position, calculate the box's left x position
+   */
+  protected abstract int getLeftXFromCentreX(int mousex,
+          HiddenColumns hidden);
+
+  /*
+   * Given the centre y position, calculate the box's top y position
+   */
+  protected abstract int getTopYFromCentreY(int mousey,
+          HiddenSequences hidden);
+
 }
\ No newline at end of file