public Congress(Table t) {
super(new BorderLayout());
// --------------------------------------------------------------------
// STEP 1: setup the visualized data
final Visualization vis = new Visualization();
m_vis = vis;
final String group = "by_state";
// filter to show only candidates receiving more than $100,000
Predicate p = (Predicate) ExpressionParser.parse("[" + TOTAL_RECEIPTS + "] >= 100000");
VisualTable vt = vis.addTable(group, t, p);
// add a new column containing a label string showing
// candidate name, party, state, year, and total receipts
vt.addColumn(
"label",
"CONCAT(CAP(Candidate), ' (', "
+ "CAP([Party Designation]), '-', [State Code], "
+ "') ', Year, ': $', FORMAT([Total Receipts],2))");
// add calculation for senators
vt.addColumn("Senate", "District <= 0");
vis.setRendererFactory(
new RendererFactory() {
AbstractShapeRenderer sr = new ShapeRenderer();
Renderer arY = new AxisRenderer(Constants.RIGHT, Constants.TOP);
Renderer arX = new AxisRenderer(Constants.CENTER, Constants.FAR_BOTTOM);
public Renderer getRenderer(VisualItem item) {
return item.isInGroup("ylab") ? arY : item.isInGroup("xlab") ? arX : sr;
}
});
// --------------------------------------------------------------------
// STEP 2: create actions to process the visual data
// set up dynamic queries, search set
RangeQueryBinding receiptsQ = new RangeQueryBinding(vt, RECEIPTS);
ListQueryBinding yearsQ = new ListQueryBinding(vt, "Year");
SearchQueryBinding searchQ = new SearchQueryBinding(vt, "Candidate");
// construct the filtering predicate
AndPredicate filter = new AndPredicate(searchQ.getPredicate());
filter.add(yearsQ.getPredicate());
filter.add(receiptsQ.getPredicate());
// set up the actions
AxisLayout xaxis = new AxisLayout(group, "State Code", Constants.X_AXIS, VisiblePredicate.TRUE);
AxisLayout yaxis = new AxisLayout(group, RECEIPTS, Constants.Y_AXIS, VisiblePredicate.TRUE);
// yaxis.setScale(Constants.LOG_SCALE);
yaxis.setRangeModel(receiptsQ.getModel());
receiptsQ.getNumberModel().setValueRange(0, 65000000, 0, 65000000);
xaxis.setLayoutBounds(m_dataB);
yaxis.setLayoutBounds(m_dataB);
AxisLabelLayout ylabels = new AxisLabelLayout("ylab", yaxis, m_ylabB);
NumberFormat nf = NumberFormat.getCurrencyInstance();
nf.setMaximumFractionDigits(0);
ylabels.setNumberFormat(nf);
AxisLabelLayout xlabels = new AxisLabelLayout("xlab", xaxis, m_xlabB, 15);
vis.putAction("xlabels", xlabels);
// dems = blue, reps = red, other = gray
int[] palette =
new int[] {
ColorLib.rgb(150, 150, 255), ColorLib.rgb(255, 150, 150), ColorLib.rgb(180, 180, 180)
};
DataColorAction color =
new DataColorAction(group, "Party", Constants.ORDINAL, VisualItem.STROKECOLOR, palette);
int[] shapes = new int[] {Constants.SHAPE_RECTANGLE, Constants.SHAPE_DIAMOND};
DataShapeAction shape = new DataShapeAction(group, "Senate", shapes);
Counter cntr = new Counter(group);
ActionList draw = new ActionList();
draw.add(cntr);
draw.add(color);
draw.add(shape);
draw.add(xaxis);
draw.add(yaxis);
draw.add(ylabels);
draw.add(new ColorAction(group, VisualItem.FILLCOLOR, 0));
draw.add(new RepaintAction());
vis.putAction("draw", draw);
ActionList update = new ActionList();
update.add(new VisibilityFilter(group, filter));
update.add(cntr);
update.add(xaxis);
update.add(yaxis);
update.add(ylabels);
update.add(new RepaintAction());
vis.putAction("update", update);
UpdateListener lstnr =
new UpdateListener() {
public void update(Object src) {
vis.run("update");
}
};
filter.addExpressionListener(lstnr);
// --------------------------------------------------------------------
// STEP 4: set up a display and ui components to show the visualization
m_display = new Display(vis);
m_display.setItemSorter(
new ItemSorter() {
public int score(VisualItem item) {
int score = super.score(item);
if (item.isInGroup(group)) score += item.getInt(TOTAL_RECEIPTS);
return score;
}
});
m_display.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
m_display.setSize(700, 450);
m_display.setHighQuality(true);
m_display.addComponentListener(
new ComponentAdapter() {
public void componentResized(ComponentEvent e) {
displayLayout();
}
});
displayLayout();
m_details = new JFastLabel(m_title);
m_details.setPreferredSize(new Dimension(75, 20));
m_details.setVerticalAlignment(SwingConstants.BOTTOM);
m_total.setPreferredSize(new Dimension(500, 20));
m_total.setHorizontalAlignment(SwingConstants.RIGHT);
m_total.setVerticalAlignment(SwingConstants.BOTTOM);
ToolTipControl ttc = new ToolTipControl("label");
Control hoverc =
new ControlAdapter() {
public void itemEntered(VisualItem item, MouseEvent evt) {
if (item.isInGroup(group)) {
m_total.setText(item.getString("label"));
item.setFillColor(item.getStrokeColor());
item.setStrokeColor(ColorLib.rgb(0, 0, 0));
item.getVisualization().repaint();
}
}
public void itemExited(VisualItem item, MouseEvent evt) {
if (item.isInGroup(group)) {
m_total.setText(m_totalStr);
item.setFillColor(item.getEndFillColor());
item.setStrokeColor(item.getEndStrokeColor());
item.getVisualization().repaint();
}
}
};
m_display.addControlListener(ttc);
m_display.addControlListener(hoverc);
// --------------------------------------------------------------------
// STEP 5: launching the visualization
this.addComponentListener(lstnr);
// details
Box infoBox = new Box(BoxLayout.X_AXIS);
infoBox.add(Box.createHorizontalStrut(5));
infoBox.add(m_details);
infoBox.add(Box.createHorizontalGlue());
infoBox.add(Box.createHorizontalStrut(5));
infoBox.add(m_total);
infoBox.add(Box.createHorizontalStrut(5));
// set up search box
JSearchPanel searcher = searchQ.createSearchPanel();
searcher.setLabelText("Candidate: ");
searcher.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 0));
// create dynamic queries
Box radioBox = new Box(BoxLayout.X_AXIS);
radioBox.add(Box.createHorizontalStrut(5));
radioBox.add(searcher);
radioBox.add(Box.createHorizontalGlue());
radioBox.add(Box.createHorizontalStrut(5));
radioBox.add(yearsQ.createRadioGroup());
radioBox.add(Box.createHorizontalStrut(16));
JRangeSlider slider = receiptsQ.createVerticalRangeSlider();
slider.setThumbColor(null);
slider.setMinExtent(150000);
slider.addMouseListener(
new MouseAdapter() {
public void mousePressed(MouseEvent e) {
m_display.setHighQuality(false);
}
public void mouseReleased(MouseEvent e) {
m_display.setHighQuality(true);
m_display.repaint();
}
});
vis.run("draw");
vis.run("xlabels");
add(infoBox, BorderLayout.NORTH);
add(m_display, BorderLayout.CENTER);
add(slider, BorderLayout.EAST);
add(radioBox, BorderLayout.SOUTH);
UILib.setColor(this, ColorLib.getColor(255, 255, 255), Color.GRAY);
slider.setForeground(Color.LIGHT_GRAY);
UILib.setFont(radioBox, FontLib.getFont("Tahoma", 15));
m_details.setFont(FontLib.getFont("Tahoma", 18));
m_total.setFont(FontLib.getFont("Tahoma", 16));
}
/*
* Constructor for the class
* This is where all the important stuff happens
*/
public TabularDataVis(Table t) {
super(new BorderLayout());
/*
* Step 1: Setup the Visualization
*/
// create a new visualization object, and assign it to the global variable
final Visualization vis = new Visualization();
g_vis = vis;
// create a visual abstraction of the table data (loaded in the buildFrame method)
// call our data "canUrban"
VisualTable vt = vis.addTable("canUrban", t);
// add a new column containing a label string showing
// the Geographic name and population
// note: uses the prefuse expression language
vt.addColumn(
"label", "CONCAT([Geographic name], ' (Population: ', FORMAT([2006 Population],0), ')')");
// add a new column that divides the provinces by their geographic location (derived values)
// note: uses the prefuse expression language
vt.addColumn(
"geographic location",
"IF ([Province]='BC') THEN 1 ELSE "
+ "(IF ([Province] = 'AB' OR [Province] = 'SK' OR [Province] = 'MB') THEN 2 ELSE "
+ "(IF ([Province] = 'ON' OR [Province] = 'QC') THEN 3 ELSE"
+ "(IF ([Province] = 'NS' OR [Province] = 'NB' OR [Province] = 'PE' OR [Province] = 'NL') THEN 4 ELSE 5)))");
// add a new column that converts the population data to ordinal data (derived values)
// note: uses the prefuse expression language
vt.addColumn(
"population ordinal",
"IF ([2006 Population] > 5000000) THEN 7 ELSE "
+ "(IF ([2006 Population] > 1000000) THEN 6 ELSE "
+ "(IF ([2006 Population] > 250000) THEN 5 ELSE "
+ "(IF ([2006 Population] > 100000) THEN 4 ELSE "
+ "(IF ([2006 Population] > 50000) THEN 3 ELSE "
+ "(IF ([2006 Population] > 20000) THEN 2 ELSE 1)))))");
// create a new renderer factory for drawing the visual items
vis.setRendererFactory(
new RendererFactory() {
// specify the default shape renderer (the actions will decide how to actually render the
// visual elements)
AbstractShapeRenderer sr = new ShapeRenderer();
// renderers for the axes
Renderer arY = new AxisRenderer(Constants.RIGHT, Constants.TOP);
Renderer arX = new AxisRenderer(Constants.CENTER, Constants.FAR_BOTTOM);
// return the appropriate renderer for a given visual item
public Renderer getRenderer(VisualItem item) {
return item.isInGroup("ylab") ? arY : item.isInGroup("xlab") ? arX : sr;
}
});
/*
* Step 2: Add X-Axis
*/
// add the x-axis
AxisLayout xaxis =
new AxisLayout("canUrban", "Province", Constants.X_AXIS, VisiblePredicate.TRUE);
// ensure the axis spans the width of the data container
xaxis.setLayoutBounds(g_dataB);
// add the labels to the x-axis
AxisLabelLayout xlabels = new AxisLabelLayout("xlab", xaxis, g_xlabB, 15);
/*
* Step 3: Add the Y-Axis and its dynamic query feature
*/
// dynamic query based on population data
RangeQueryBinding populationQ = new RangeQueryBinding(vt, "2006 Population");
AndPredicate filter = new AndPredicate(populationQ.getPredicate());
// add the y-axis
AxisLayout yaxis =
new AxisLayout("canUrban", "2006 Population", Constants.Y_AXIS, VisiblePredicate.TRUE);
// set the range controls on the y-axis
yaxis.setRangeModel(populationQ.getModel());
populationQ.getNumberModel().setValueRange(0, 6000000, 0, 6000000);
// ensure the y-axis spans the height of the data container
yaxis.setLayoutBounds(g_dataB);
// add the labels to the y-axis
AxisLabelLayout ylabels = new AxisLabelLayout("ylab", yaxis, g_ylabB);
NumberFormat nf = NumberFormat.getIntegerInstance();
nf.setMaximumFractionDigits(0);
ylabels.setNumberFormat(nf);
/*
* Step 4: Add the search box
*/
// dynamic query based on Geographic name data
SearchQueryBinding searchQ = new SearchQueryBinding(vt, "Geographic name");
filter.add(searchQ.getPredicate()); // reuse the same filter as the population query
/*
* Step 5: Colours and Shapes
*/
// assign a set of five perceptually distinct colours to assign to the provinces
// chosen from ColorBrewer (5-class qualitative Set1)
int[] palette =
new int[] {
ColorLib.rgb(77, 175, 74),
ColorLib.rgb(55, 126, 184),
ColorLib.rgb(228, 26, 28),
ColorLib.rgb(152, 78, 163),
ColorLib.rgb(255, 127, 0)
};
// specify the stroke (exterior line) based on the ordinal data
DataColorAction color =
new DataColorAction(
"canUrban", "geographic location", Constants.ORDINAL, VisualItem.STROKECOLOR, palette);
// specify the fill (interior) as a static colour (white)
ColorAction fill = new ColorAction("canUrban", VisualItem.FILLCOLOR, 0);
// represent all the data points with rectangles
ShapeAction shape = new ShapeAction("canUrban", Constants.SHAPE_RECTANGLE);
// assign the size of the visual element based on the population data (we
// converted the 2006 Population data to ordinal values)
DataSizeAction size = new DataSizeAction("canUrban", "population ordinal");
// setup a counter to keep track of which data points are currently being viewed
Counter cntr = new Counter("canUrban");
/*
* Step 6: Create the action list for drawing the visual elements
*/
ActionList draw = new ActionList();
draw.add(cntr);
draw.add(color);
draw.add(fill);
draw.add(shape);
draw.add(size);
draw.add(xaxis);
draw.add(yaxis);
draw.add(ylabels);
draw.add(new RepaintAction());
vis.putAction("draw", draw);
vis.putAction("xlabels", xlabels);
/*
* create the action list for updating the visual elements
* (during interactive operations and re-sizing of the window)
*/
ActionList update = new ActionList();
update.add(new VisibilityFilter("canUrban", filter)); // filter performs the size/name filtering
update.add(cntr);
update.add(xaxis);
update.add(yaxis);
update.add(ylabels);
update.add(new RepaintAction());
vis.putAction("update", update);
// create an update listener that will update the visualization when fired
UpdateListener lstnr =
new UpdateListener() {
public void update(Object src) {
vis.run("update");
}
};
// add this update listener to the filter, so that when the filter changes (i.e.,
// the user adjusts the axis parameters, or enters a name for filtering), the
// visualization is updated
filter.addExpressionListener(lstnr);
/*
* Step 7: Setup the Display and the other Interface components
* (scroll bar, query box, tool tips)
*/
// create the display
g_display = new Display(vis);
// set the display properties
g_display.setBorder(BorderFactory.createEmptyBorder(10, 20, 10, 20));
g_display.setSize(700, 450);
g_display.setHighQuality(true);
// call the function that sets the sizes of the containers that contain
// the data and the axes
displayLayout();
// whenever the window is re-sized, update the layout of the axes
g_display.addComponentListener(
new ComponentAdapter() {
public void componentResized(ComponentEvent e) {
displayLayout();
}
});
// title label (top left)
JFastLabel g_details = new JFastLabel("Canadian Urban Population");
g_details.setPreferredSize(new Dimension(350, 20));
g_details.setVerticalAlignment(SwingConstants.BOTTOM);
// total label (top right)
g_total.setPreferredSize(new Dimension(350, 20));
g_total.setHorizontalAlignment(SwingConstants.RIGHT);
g_total.setVerticalAlignment(SwingConstants.BOTTOM);
// tool tips
ToolTipControl ttc = new ToolTipControl("label");
Control hoverc =
new ControlAdapter() {
public void itemEntered(VisualItem item, MouseEvent evt) {
if (item.isInGroup("canUrban")) {
g_total.setText(item.getString("label"));
item.setFillColor(item.getStrokeColor());
item.setStrokeColor(ColorLib.rgb(0, 0, 0));
item.getVisualization().repaint();
}
}
public void itemExited(VisualItem item, MouseEvent evt) {
if (item.isInGroup("canUrban")) {
g_total.setText(g_totalStr);
item.setFillColor(item.getEndFillColor());
item.setStrokeColor(item.getEndStrokeColor());
item.getVisualization().repaint();
}
}
};
g_display.addControlListener(ttc);
g_display.addControlListener(hoverc);
// vertical slider for adjusting the population filter
JRangeSlider slider = populationQ.createVerticalRangeSlider();
slider.setThumbColor(null);
slider.setToolTipText("drag the arrows to filter the data");
// smallest window: 200,000
slider.setMinExtent(200000);
slider.addMouseListener(
new MouseAdapter() {
public void mousePressed(MouseEvent e) {
g_display.setHighQuality(false);
}
public void mouseReleased(MouseEvent e) {
g_display.setHighQuality(true);
g_display.repaint();
}
});
// search box
JSearchPanel searcher = searchQ.createSearchPanel();
searcher.setLabelText("Urban Centre: ");
searcher.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 0));
/*
* Step 8: Create Containers for the Interface Elements
*/
// add the listener to this component
this.addComponentListener(lstnr);
// container for elements at the top of the screen
Box topContainer = new Box(BoxLayout.X_AXIS);
topContainer.add(Box.createHorizontalStrut(5));
topContainer.add(g_details);
topContainer.add(Box.createHorizontalGlue());
topContainer.add(Box.createHorizontalStrut(5));
topContainer.add(g_total);
topContainer.add(Box.createHorizontalStrut(5));
// container for elements at the bottom of the screen
Box bottomContainer = new Box(BoxLayout.X_AXIS);
bottomContainer.add(Box.createHorizontalStrut(5));
bottomContainer.add(searcher);
bottomContainer.add(Box.createHorizontalGlue());
bottomContainer.add(Box.createHorizontalStrut(5));
bottomContainer.add(Box.createHorizontalStrut(16));
// fonts, colours, etc.
UILib.setColor(this, ColorLib.getColor(255, 255, 255), Color.GRAY);
slider.setForeground(Color.LIGHT_GRAY);
UILib.setFont(bottomContainer, FontLib.getFont("Tahoma", 15));
g_details.setFont(FontLib.getFont("Tahoma", 18));
g_total.setFont(FontLib.getFont("Tahoma", 16));
// add the containers to the JPanel
add(topContainer, BorderLayout.NORTH);
add(g_display, BorderLayout.CENTER);
add(slider, BorderLayout.EAST);
add(bottomContainer, BorderLayout.SOUTH);
/*
* Step 9: Start the Visualization
*/
vis.run("draw");
vis.run("xlabels");
}