# 0.00.11 (58264) Nov 1, 2011
11/1/11 version with first functionally-complete Diluton tab
11/01/11 add a subtle background to sliders, so they look more like sliders
11/01/11 repackage
11/01/11 Dilution: clean up canvas constructor, address open issues
11/01/11 Molarity: clean up canvas constructor, address open issues
11/01/11 Dilution: if a beaker's concentration is zero, label it as H2O
11/01/11 Dilution: add gradient to M1 slider
11/01/11 common: remove unnecessary subclassing of DilutionsSliderNode
11/01/11 Dilution: first pass at M1 slider, missing gradient
11/01/11 Dilution: update moles of solute when M1 or V1 changes
11/01/11 Dilution: update water volume when V1 or V2 changes
11/01/11 handle zero-volume Solution properly
10/31/11 since size of beakers labels is static, scale text to fit
# 0.00.10 (58200) Oct 31, 2011
10/31/11 version to demo alternative layout of Dilution play area
10/31/11 Dilution: try alternative layout of things to right of "=" sign, left-to-right order is: M2,V2,Beaker
# 0.00.09 (58198) Oct 31, 2011
10/31/11 version to demo alternative layout of Dilution play area
10/31/11 Dilution: try alternative layout of things to right of "=" sign, left-to-right order is: V2,Beaker,M2
10/31/11 Dilution: smaller font and size for beaker labels
10/31/11 Dilution: make beakers slightly wider
10/31/11 Dilution: because horizontal layout is so tight, scale rootNode to ensure that translated versions fit in the play area
10/31/11 Dilution: move Reset All button to same location as Molarity tab (upper right)
# 0.00.08 (58172) Oct 31, 2011
10/31/11 version for discussion with JC
10/31/11 Dilution: make beakers tall-and-skinny
10/31/11 add ability to specify independent x and y scale for beaker image
10/27/11 change request: order solutes by "rainbow color" (ROYGBIV) in Molarity tab
# 0.00.07 (58077) Oct 27, 2011
10/27/11 change some terminology in Solute model (precipitateSize, precipitateParticlesPerMole)
10/27/11 Molarity: center precipitate dev display
10/27/11 common: center root node on the stage
10/27/11 common: move range labels above/below vertical sliders and concentration display
10/27/11 Dilution: use (0,1) for range of M1 and M2
10/27/11 Molarity: minor cleanup in model
10/27/11 Dilution: change V1 range to (0,0.2)
10/27/11 fix SolutionNode to handle zero-volume solution
# 0.00.06 (58044) Oct 26, 2011
10/26/11 curved tick marks on beakers (Arc2D)
10/26/11 make all beakers the same size in Dilution tab
10/26/11 add temporary M1 display in Dilution tab, to demonstrate layout issues
10/26/11 cleanup of slider code
10/26/11 further generalization of beaker node, so it can be reused in Dilution tab
10/25/11 [58016] delete more stuff related to "Show values" feature
10/25/11 change min concentration label from "low" to "zero"
10/25/11 [57987] delete code related to "Show values" feature, it was becoming too difficult to continue supporting it
10/25/11 more fleshing out of Dilution model and canvas
10/25/11 i18n of Dilution tab
10/25/11 more fleshing out of Dilution canvas, generalization of components from Molarity tab
10/25/11 start fleshing out Dilution model and canvas
10/25/11 move definition of real solutions into  MolarityModel
10/25/11 create stubs for Dilution module
10/25/11 new beaker image from NP, cleaned up wonkiness near the spout
# 0.00.05 (57919) Oct 24, 2011
10/24/11 make arrow slightly larger in concentration display
10/24/11 distribute precipitate on bottom of 3D beaker (random distribution of points inside an ellipse)
10/24/11 adjust relative layout of Reset All button, document play area layout
10/24/11 create "points of interest" via composition instead of inheritance
10/24/11 NamedPointsNode for encapsulating information about "points of interest", used for beaker image
10/24/11 make beaker larger
10/24/11 improve slider thumbs
10/21/11 rename tab 2 to "Dilution"
# 0.00.04 (57838) Oct 21, 2011
10/21/11 fix: if solution is saturated, show at least 1 precipitate particle
10/21/11 change request: grey out the unavailable portion of the concentration display in saturated solutions
10/21/11 put a thin line around solution surface
10/21/11 horizontally center the "Saturated!" indicator in the beaker's cylinder
10/21/11 change request: remove "Show values" in Molarity tab (but feature may come back in future, so don't remove from code)
10/21/11 change request: different labels on sliders and concentration display in Molarity tab
10/20/11 change solution node to a cylinder
10/20/11 change Reset All button from yellow to light gray, it shouldn't receive that much attention
10/20/11 first pass at a more 3D-looking beaker, using image provided by NP. Solution and precipitate shapes have not been revised.
10/17/11 make beaker label narrower
10/17/11 rename tab "Dilution Equation" to "Dilution Intro"
# 0.00.03 (57572) Oct 12, 2011
10/12/11 dev version with JC's change requests
10/12/11 for solute amount slider, display min tick label as "0 mol" instead of "0.00 mol"
10/12/11 use plain font for "M=mol/L", hide when show values is false
10/12/11 change colors as requested by JC
10/12/11 change request: change title on concentration display
# 0.00.02 (57564) Oct 12, 2011
10/12/11 up/down arrows in slider JTextField to increment/decrement
10/12/11 frosty translucent background behind formula on beaker
10/12/11 translucent background behind "Saturated!"
10/12/11 show H2O on beaker when concentration=0
10/12/11 relative layout of Molarity tab
10/12/11 move beaker ticks to left side of beaker, closer to volume control
10/12/11 set columns in slider JTextFields based on number formatter pattern
10/12/11 tweak location of precipitate particles to account for thickness of beaker walls
10/12/11 add saturation point indicator to concentration display
10/12/11 adjust gradients on concentration display to account for saturation point
10/12/11 adjust solution color to account for saturation
10/12/11 add tick marks for min/max range labels on sliders
10/12/11 fix units on concentration display
10/12/11 generalize tick mark for reuse in slider
10/12/11 round corners of slider thumbs
10/12/11 use beaker from ph-scale, show/hide tick mark values
10/12/11 add moles-to-particles multiplier for precipitates
10/12/11 create custom formatter with special handling of zero and ints
10/12/11 add tick marks for min/max range labels on concentration display
10/12/11 make labels less verbose on sliders and concentration display
10/12/11 use water color from ph-scale
# 0.00.01 (57499) Oct 11, 2011
10/11/11 dev version to demonstrate functionally-complete "Molarity" tab
10/11/11 add editable text field to sliders
10/11/11 use a commandline arg to show stage bounds, so that it's not distracting in dev versions
10/11/11 implement "show values" for sliders
10/11/11 implement "show values" for concentration display
10/11/11 add colors to Solute combo box
10/11/11 display "Saturated!" when the solution is saturated
10/11/11 show precipitate as a random group of particles at the bottom of the beaker
10/11/11 format solute combo box as "formula: name"
10/11/11 show solute formula on beaker
10/11/11 different solutes have different precipitate sizes
10/10/11 show precipitate numerically
10/10/11 make beaker an observer of solution volume property
10/10/11 add saturation to model
10/10/11 add simple beaker
10/10/11 sliders for molarity tab
10/10/11 concentration display
10/10/11 Molarity model, part of view
10/04/11 created project skeleton