import jalview.datamodel.HiddenColumns;
import jalview.datamodel.HiddenSequences;
+import java.awt.Dimension;
import java.awt.Graphics;
+import java.awt.Rectangle;
public abstract class OverviewDimensions
{
protected int alheight;
+ protected float widthRatio;
+
+ protected float heightRatio;
+
+ private Rectangle vpbox = new Rectangle();
+
/**
* Create an OverviewDimensions object
*
* true if the annotation panel is to be shown, false otherwise
*/
public OverviewDimensions(ViewportRanges ranges,
- boolean showAnnotationPanel)
+ boolean showAnnotationPanel, Dimension dim)
{
+ if (!showAnnotationPanel)
+ {
+ graphHeight = 0;
+ }
+
// scale the initial size of overviewpanel to shape of alignment
float initialScale = (float) ranges.getAbsoluteAlignmentWidth()
/ (float) ranges.getAbsoluteAlignmentHeight();
- if (!showAnnotationPanel)
+ if (dim != null)
{
- graphHeight = 0;
+ width = dim.width;
+ sequencesHeight = dim.height;
+ return;
}
-
if (ranges.getAbsoluteAlignmentWidth() > ranges
.getAbsoluteAlignmentHeight())
{
*/
public void drawBox(Graphics g)
{
+ // System.out.println("OD drawBox " + boxX + " " + boxY + " " + boxWidth
+ // + " " + boxHeight);
+ updateBox();
g.drawRect(boxX, boxY, boxWidth, boxHeight);
g.drawRect(boxX + 1, boxY + 1, boxWidth - 2, boxHeight - 2);
}
return boxHeight;
}
+ /**
+ * Returns the width of the Overview in pixels
+ *
+ * @return
+ */
public int getWidth()
{
return width;
}
+ /**
+ * Returns the height of the Overview in pixels
+ *
+ * @return
+ */
public int getHeight()
{
return sequencesHeight + graphHeight;
}
+ /**
+ * Returns the height of the sequence alignment in the Overview in pixels
+ *
+ * @return
+ */
public int getSequencesHeight()
{
return sequencesHeight;
public float getPixelsPerCol()
{
resetAlignmentDims();
- return (float) width / alwidth;
+ return 1 / widthRatio;
}
public float getPixelsPerSeq()
{
resetAlignmentDims();
- return (float) sequencesHeight / alheight;
+ return 1 / heightRatio;
}
public void setWidth(int w)
{
width = w;
+ widthRatio = (float) alwidth / width;
}
public void setHeight(int h)
{
+ // BH 2019 problem was that component.resize() can come
+ // after setBoxPosition().
+ // Solution was to move setting of box dimensions to paint
sequencesHeight = h - graphHeight;
+ heightRatio = (float) alheight / sequencesHeight;
}
/**
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
*
* @param hiddenSeqs
*/
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();
+ vpbox = new Rectangle(startRes, startSeq, vpwidth, vpheight);
+ updateBox();
+ }
+ public void updateBox()
+ {
// 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);
+ int xPos = Math.min(vpbox.x, alwidth - vpbox.width + 1);
+ boxX = Math.round(xPos / widthRatio);
+ boxY = Math.round(vpbox.y / heightRatio);
// boxWidth is the width in residues translated to pixels
- boxWidth = Math.round((float) vpwidth * width / alwidth);
+ boxWidth = Math.max(1, Math.round(vpbox.width / widthRatio));
// boxHeight is the height in sequences translated to pixels
- boxHeight = Math.round((float) vpheight * sequencesHeight / alheight);
+ boxHeight = Math.max(1, Math.round(vpbox.height / heightRatio));
}
+
+ /**
+ * 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);
+
}
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