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asValueChangerClass.m
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asValueChangerClass.m
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% Copyright (C) 2009-2013 Biomedizinische NMR Forschungs GmbH
% http://www.biomednmr.mpg.de
% Author: Tilman Johannes Sumpf <[email protected]>
%
% Distributed under the Boost Software License, Version 1.0.
% (See accompanying file LICENSE_1_0.txt or copy at
% http://www.boost.org/LICENSE_1_0.txt)
classdef asValueChangerClass < handle
properties (GetAccess = private, SetAccess = private)
pos = [0 0 .6 1.6]; % standard position
% [left bottom width height]
% handles
pph = 0; % parent panel handle
ph = 0; % panel handle
pbh_up = 0; % pushbutton handle 'up'
pbh_down= 0; % pushbutton handle 'down'
eth = 0; % edit text handle
pbh_dim = 0; % pushbutton handle 'dim'
cmh = []; % context menu handle
flipCmh = 0; % flip context menu handle
lockCmh = 0; % lock context menu handle
plotTagCmh=0; % plot dimension context menu handle
userCb = ''; % user definde Callback
id = 0; % optional user defined id
kpf = ''; % user def keyPressFunction
colonDimTag = 0; % can be 1, 2 or 0 (deaktivated)
colonDim1Callback = [];
colonDim2Callback = [];
plotDimCallback = [];
stdTextColor = 'black';
tag0Color = 'black'
tag1Color = 'blue';
tag2Color = [205/255;0;0];
plotDimColor = 'white';
offsetColor = 'yellow';
considerColon = true;
enabled = true;
str = '1'; % copy of the string in obj.eth
min = 1; % string minimum
max = 99; % standard maximum;
inc = 1; % standard increment for the + and - buttons
offset = 0; % constant offset which is added to the selected
% number (this can be useful when sending an image
% selection number to other windows with the
% different numbers of frames
data = []; % asDataClass object
end
properties (GetAccess = public, SetAccess = private)
colonStr = ':';
end
methods
function obj = asValueChangerClass(parentPanelHandle, varargin)
obj.pph = parentPanelHandle;
% evaluate varagin
if nargin > 1
for i=1:floor(length(varargin)/2)
option=varargin{i*2-1};
option_value=varargin{i*2};
switch lower(option)
case 'position'
obj.pos = option_value;
case 'min'
obj.min = option_value;
case 'max'
obj.max = option_value;
case 'id'
obj.id = option_value;
case 'callback'
obj.userCb = option_value;
case 'keypressfcn'
obj.kpf = option_value;
case 'considercolon'
obj.considerColon = option_value;
case 'initstring'
obj.str = option_value;
case 'contextmenu'
obj.cmh = option_value;
case 'colondim1callback'
obj.colonDim1Callback = option_value;
case 'colondim2callback'
obj.colonDim2Callback = option_value;
case 'plotdimcallback'
obj.plotDimCallback = option_value;
case 'colondimtag'
obj.colonDimTag = option_value;
case 'dataobject'
obj.data = option_value;
otherwise
warning('asValueChangerClass:unknownOption',...
'unknown option [%s]!\n',option);
end
end
end
% assure init string to be within range
obj.str = obj.validateStr(obj.str);
% panel
obj.ph = uipanel(obj.pph,'Units','centimeters',...
'BorderType','beveledout',...
'Position',obj.pos);
htmlToolTip = ['<html><b>Data selection control:</b><br>',...
'(Dimension ',num2str(obj.id),')<br><br><table>',...
'<tr><td><u>Up arrow</u></td><td>: Increase value</td></tr>',...
'<tr><td><u>Down arrow</u></td>: Decrease value</td></tr>',...
'<tr><td><u>PageUp</u></td><td>: Set value to 1</td></tr>',...
'<tr><td><u>PageDown</u></td><td>: Set value to ''end''</td></tr>',...
'<tr><td><u>Left arrow</u></td><td>: Select left neighbour</td></tr>',...
'<tr><td><u>Right arrow</u></td><td>: Select right neighbour</td></tr>',...
'</table><br><i>Hints:<br>',...
'- Open <b>context menu</b> to perform operations along this dimension<br>',...
'- Use the <b>mouse wheel</b> to increase or decrease values',...
'</html>'];
% + button
obj.pbh_up = uicontrol(obj.ph,'Style','pushbutton','String','+',...
'Units','normalized',...
'Position',[0 3/4 1 1/4 ],...
'tooltip',htmlToolTip,...
'KeyPressFcn',@(src, evnt)obj.keyPressCb(src, evnt),...
'Callback', @(src, evnt)obj.up() );
% text edit field
obj.eth = uicontrol(obj.ph,'Style','edit','String',obj.str,...
'Units','normalized',...
'Position',[0 2/4 1 1/4],...
'KeyPressFcn',@(src, evnt)obj.keyPressCb(src, evnt),...
'Callback',@(src,evnt)obj.cb,...
'String',obj.str,...
'ForegroundColor',obj.stdTextColor,...
'TooltipString',obj.str);
% - button
obj.pbh_down = uicontrol(obj.ph,'Style','pushbutton','String','-',...
'Units','normalized',...
'Position',[0 1/4 1 1/4],...
'tooltip',htmlToolTip,...
'KeyPressFcn',@(src, evnt)obj.keyPressCb(src, evnt),...
'Callback', @(src, evnt)obj.down() );
% colon dimension button
vCorr = 0;
htmlToolTip = ['<html><b>Colon dimension quick toggle:</b><br>',...
'(Dimension ',num2str(obj.id),', size: ',num2str(obj.max),')<br><br><table>',...
'<tr><td><font color="blue"><u>Left click</font></u></td><td>: Toggle 1st colon dimension</td></tr>',...
'<tr><td><font color="red"><u>Right click</font></u></td>: Toggle 2nd colon dimension</td></tr>',...
'<tr><td><font style="BACKGROUND-COLOR: white"><u>Ctrl+click</FONT></u></td>: Set to plot dimension</td></tr></table>',...
'<br><p style="width:200px; text-align:justify">',...
'<i>Description:<br>The <b>''colon dimension''</b> toggle can be used to quickly insert a colon (:) into the selection string of the ',...
'respective dimension. This can be useful e.g. to switch between orientations ',...
'(coronal, sagittal, transversal).<br>''Colon dimensions'' are also protected against value changes via mouse wheel.<br><br>',...
'It is possible to manually put additional colons into other dimension, ',...
'yielding a <br><b>multiframe view</b>.<br><br>The <b>plot dimension</b> tag is used by several sub functions e.g. ',...
'to create 1D plots along this dimension (v)',...
'</i></p></html>'];
fh = get(obj.pph,'Parent'); % get parent figure handle
obj.pbh_dim = uicontrol(obj.ph,'Style','pushbutton','String',obj.str,...
'Units','normalized',...
'Position',[0 0/4-vCorr 1 1/4],...
'String',obj.max,...
'TooltipString',htmlToolTip,...
'callback',@(src,evnt)colButtonCb,...
'ButtonDownFcn', @(src,evnt)obj.setColonDimTag(2));
function colButtonCb()
modifiers = get(fh,'currentModifier');
if isempty(modifiers)
obj.setColonDimTag(1);
else
if ismember('control',modifiers)
obj.plotDimCallback(obj.id);
end
end
end
switch obj.colonDimTag
case 1
set(obj.pbh_dim,'ForegroundColor',obj.tag1Color);
case 2
set(obj.pbh_dim,'ForegroundColor',obj.tag2Color);
end
% context menu
if ~isempty(obj.cmh)
obj.cmh = copyobj(obj.cmh,gcf);
obj.plotTagCmh = uimenu(obj.cmh,'Label','Set as plot dim' ,...
'callback',@(src,evnt)obj.plotDimCallback(obj.id),...
'Position',1);
obj.lockCmh = uimenu(obj.cmh,'Label','Lock' ,...
'callback',@(src,evnt)lockCb(obj),...
'Position',2);
uimenu(obj.cmh,'Label','Set offset' ,...
'callback',@(src,evnt)obj.setOffset(),...
'Position',3, 'Separator','on');
uimenu(obj.cmh,'Label','Set increment' ,...
'callback',@(src,evnt)obj.setIncrement(),...
'Position',4);
% navigation
uimenu(obj.cmh,'Label','Set to ''1'' (page up)' ,...
'callback',@(src,evnt)obj.setStr('1',true),...
'Position',5,...
'Separator','on');
uimenu(obj.cmh,'Label','Set to ''end'' (page down)' ,...
'callback',@(src,evnt)obj.setStr('end',true),...
'Position',6);
obj.flipCmh = uimenu(obj.cmh,'Label','Flip subscripts' ,...
'callback',@(src,evnt)obj.flipsubs(),...
'Position',7);
% destructive operations
uimenu(obj.cmh,'Label',['Flip dimension ', num2str(obj.id),' (destructive)'] ,...
'callback',@(src,evnt)obj.data.flipDim(obj.id),...
'Position',8);
uimenu(obj.cmh,'Label',['Crop dim ', num2str(obj.id),' (destructive)'] ,...
'callback',@(src,evnt)obj.data.cropDim(obj.id),...
'Position',9);
% fft / ifft / fftshift
uimenu(obj.cmh,'Label',['FFT dim ', num2str(obj.id),' (destructive)'] ,...
'callback',@(src,evnt)obj.data.fftDim(obj.id),...
'Position',10,'Separator','on');
uimenu(obj.cmh,'Label',['iFFT dim ', num2str(obj.id),' (destructive)'] ,...
'callback',@(src,evnt)obj.data.ifftDim(obj.id),...
'Position',11);
uimenu(obj.cmh,'Label',['FFTshift dim ', num2str(obj.id),' (destructive)'] ,...
'callback',@(src,evnt)obj.data.fftshift(obj.id),...
'Position',12);
% min, max etc...
uimenu(obj.cmh,'Label',['Max dim ', num2str(obj.id),' (destructive)'] ,...
'callback',@(src,evnt)obj.data.max(obj.id),...
'Position',13,'Separator','on');
uimenu(obj.cmh,'Label',['Min dim ', num2str(obj.id),' (destructive)'] ,...
'callback',@(src,evnt)obj.data.min(obj.id),...
'Position',14);
uimenu(obj.cmh,'Label',['Sum dim ', num2str(obj.id),' (destructive)'] ,...
'callback',@(src,evnt)obj.data.sum(obj.id),...
'Position',15);
uimenu(obj.cmh,'Label',['Mean dim ', num2str(obj.id),' (destructive)'] ,...
'callback',@(src,evnt)obj.data.mean(obj.id),...
'Position',16);
uimenu(obj.cmh,'Label',['Product dim ', num2str(obj.id),' (destructive)'] ,...
'callback',@(src,evnt)obj.data.prod(obj.id),...
'Position',17);
% common MRI coil combination methods
uimenu(obj.cmh,'Label',['Root sum squares dim ', num2str(obj.id),' (destructive)'] ,...
'callback',@(src,evnt)obj.data.sumSqr(obj.id),...
'Position',18,'Separator','on');
uimenu(obj.cmh,'Label',['Coil combine dim ', num2str(obj.id),' (SLOW!,destructive)'] ,...
'callback',@(src,evnt)obj.data.coilCombine(obj.id),...
'Position',19);
set(obj.pbh_up,'uicontextmenu',obj.cmh);
set(obj.pbh_down,'uicontextmenu',obj.cmh);
set(obj.eth,'uicontextmenu',obj.cmh);
end
% lock context menu callback
function lockCb(obj)
onOffState = get(obj.lockCmh,'Label');
switch onOffState
case 'Lock'
% change context menu entry label to "Unlock"
set(obj.lockCmh,'Label','Unlock')
% disable value changer
obj.enable(false);
%...but re-enable the lock button in the context
%menu
% set(obj.cmh,'Visible','on');
set(obj.lockCmh,'Visible','on');
case 'Unlock'
% change context menu entry label to "Lock"
set(obj.lockCmh,'Label','Lock')
% (re-) enable value changer
obj.enable(true);
otherwise
%nop
end
end
end
function setIncrement(obj, inc)
% set the standard increment for the up and down functions
% (and the + and - buttons)
% if no increment is give, open input dialog
if nargin < 2
inc = mydlg('Enter increment','Increment input dlg',obj.inc);
if isempty(inc)
return;
end
inc = str2double(inc);
end
if ~isscalar(inc)
fprintf('Increment has to be a scalar value\n');
return;
end
if inc == 0
inc = 1;
%...since 0 doesn't make much sense
end
obj.inc = inc;
if inc == 1
incStr = '';
else
incStr = num2str(inc);
end
set(obj.pbh_up,'String',['+',incStr]);
set(obj.pbh_down,'String',['-',incStr]);
end
function inc = getIncrement(obj)
inc = obj.inc;
end
function up(obj)
if obj.enabled
num = obj.str2validNum(get(obj.eth,'String'));
newNum = num + obj.inc;
if newNum > obj.max || newNum < obj.min
return;
end
obj.setStrForce(num2str(newNum));
obj.runUserCb;
end
end
function down(obj)
if obj.enabled
num = obj.str2validNum(get(obj.eth,'String'));
newNum = num - obj.inc;
if newNum > obj.max || newNum < obj.min
return;
end
obj.setStrForce(num2str(newNum));
obj.runUserCb;
end
end
function setColonDimTag(obj, tag, suppressCallback)
% colon dimension tag marks value changer dimension as one of the image
% axis dimensions. A colon dimension does not change it's value on 'up' and 'down' method calls.
% Valid tags are:
% 0 : dimension is NOT a colon dimension
% 1 : dimendion is colon dimension 1
% 2 : dimendion is colon dimension 2
if obj.enabled
if nargin < 3
suppressCallback = false;
end
if obj.colonDimTag == tag
if tag ~= 0
obj.setColonDimTag(0);
end
else
obj.colonDimTag = tag;
switch tag
case 1
obj.setOffset(0, false); % deactivate possible previous offsets
set(obj.pbh_dim,'ForegroundColor',obj.tag1Color); % set the text color
obj.colonDim1Callback(obj.id); % tell the asSelection class about the change, so that it can deactivate the previous colon dim.
obj.setStrForce(obj.colonStr);
case 2
obj.setOffset(0, false); % deactivate possible previous offsets
set(obj.pbh_dim,'ForegroundColor',obj.tag2Color); % set the text color
obj.colonDim2Callback(obj.id); % tell the asSelection class about the change, so that it can deactivate the previous colon dim.
obj.setStrForce(obj.colonStr);
case 0
set(obj.pbh_dim,'ForegroundColor',obj.tag0Color);
if strcmp(obj.getStr,obj.colonStr)
obj.setStrForce(num2str(ceil(obj.max/2)));
end
otherwise
disp('invalid tag number');
end
if ~suppressCallback
obj.runUserCb;
end
end
end
end
function setPlotDimTag(obj, value)
switch value
case true
set(obj.plotTagCmh,'checked','on');
% set(obj.eth,'ForegroundColor',obj.stdTextColor)
set(obj.pbh_dim,'BackgroundColor',obj.plotDimColor)
case false
set(obj.plotTagCmh,'checked','off');
% set(obj.eth,'ForegroundColor',obj.stdTextColor)
set(obj.pbh_dim,'BackgroundColor',get(0,'defaultuicontrolbackgroundcolor'))
end
end
function tag = getPlotDimTag(obj)
switch(get(obj.plotTagCmh,'checked'))
case 'on'
tag = true;
case 'off'
tag = false;
end
end
function id = getId(obj)
id = obj.id;
end
function tag = getColonDimTag(obj)
tag = obj.colonDimTag;
end
function str = getStr(obj, includeOffset)
if nargin < 2
includeOffset = true;
end
if obj.offset == 0 || ~includeOffset
str = obj.str;
else
num = str2double(obj.str);
num = num+obj.offset;
str = num2str(num);
end
end
function setOffset(obj, offs, runUserCb)
% usage: setOffset(obj, offs, runUserCb)
% Allows to add a constant offset to the value changer
% (this can be useful when sending an image
% selection number to other windows with the
% different numbers of resolution or FOV)
% run "userCb (meaning updateFig) by default (I should change
% the naming some day. The term "userCb" was choosen before
% everything became arrayShow specific anyway)
if nargin < 3 || isempty(runUserCb)
runUserCb = true;
end
% if no offset is give, open input dialog
if nargin < 2
offs = mydlg('Enter offset','Offset input dlg',obj.offset);
if isempty(offs)
return;
end
offs = str2double(offs);
end
% if the offset is 0, set background color of the edit text field to default
if isempty(offs) || offs == 0
set(obj.eth,'BackgroundColor',get(0,'defaultuicontrolbackgroundcolor'));
else
% else, change the color
set(obj.eth,'backgroundcolor',obj.offsetColor);
end
% adapt the value changer limits
obj.min = 1 - offs;
obj.max = str2double(get(obj.pbh_dim,'String')) - offs;
% if the dimension is a colon dim and the offset is 0...
if obj.getColonDimTag > 0 && offs == 0
% store the new offset in the object properties and just
% return
obj.offset = offs;
return;
end
% ...otherwise adapt the selected value to match the same frame
% considering the offset (if the dim is a colon dim, we just select the first frame)...
% get the current selection string considering the old offset
origSelStr = obj.getStr(true);
% add the offset to the value in the string (to keep the
% actually selected frame constant)
origSel = str2double(origSelStr);
if isnan(origSel);
% if the current selection cannot be transformed into a
% double, just address the first frame by default
newSel = 1 - offs;
else
newSel = origSel - offs;
end
% store the new offset in the object properties
% (this has to be done AFTER the obj.getStr command above,
% since getStr already consideres the obj.offset property)
obj.offset = offs;
% set the new value to the edit text field
obj.setStr(newSel, runUserCb);
end
function offs = getOffset(obj)
offs = obj.offset;
end
function setStr(obj, str, runCallback)
if obj.enabled
vStr = obj.validateStr(str);
if obj.getColonDimTag && ~strcmp(vStr,obj.colonStr)
obj.setColonDimTag(0,true);
end
obj.setStrForce(vStr);
if nargin > 2 && runCallback == true
obj.runUserCb();
end
end
end
function pos = getPos(obj)
pos = obj.pos;
end
function ph = getPanelH(obj)
ph = obj.ph;
end
function mi = getMin(obj)
mi = obj.min;
end
function ma = getMax(obj)
ma = obj.max;
end
function flipsubs(obj, suppressCallback)
if obj.enabled
if nargin < 2
suppressCallback = false;
end
flipToggle = ~obj.getFlipToggle;
if(flipToggle)
obj.colonStr = 'end:-1:1';
set(obj.flipCmh,'Checked','on');
else
obj.colonStr = ':';
set(obj.flipCmh,'Checked','off');
end
if obj.colonDimTag > 0
obj.setStrForce(obj.colonStr);
if ~suppressCallback
obj.runUserCb;
end
end
end
end
function select(obj)
if obj.enabled
% focus the edit text uicontrol
uicontrol(obj.eth);
end
end
function toggle = getFlipToggle(obj)
toggle = false;
tstr = get(obj.flipCmh,'Checked');
if strcmp(tstr,'on')
toggle = true;
end
end
function bool = isSelected(obj)
bool = false;
selectedUihandle = get(get(obj.pph,'Parent'),'CurrentObject');
if selectedUihandle == obj.eth
bool = true;
end
end
function enable(obj, state)
obj.enabled = state;
onOff = arrShow.boolToOnOff(state);
set(obj.pbh_up,'Enable',onOff);
set(obj.pbh_down,'Enable',onOff);
set(obj.eth,'Enable',onOff);
% set(obj.eth,'BackgroundColor',get(0,'defaultuicontrolbackgroundcolor'));
set(obj.pbh_dim,'Enable',onOff);
% set(obj.cmh,'Visible',onOff);
set(get(obj.cmh,'Children'),'Visible',onOff);
end
function delete(obj, deletePanel)
if nargin > 1 && deletePanel == true
if ishandle(obj.ph)
delete(obj.ph);
end
end
end
end
methods (Access = private)
function setStrForce(obj, str)
% sets string without validity check
obj.str = str;
set(obj.eth,'String',obj.str);
if obj.offset
trueValStr = num2str( str2double(obj.str) + obj.offset);
if obj.offset > 0
ttstr = [obj.str, ' + ', num2str(obj.offset), ' = ', trueValStr];
else
ttstr = [obj.str, ' - ', num2str(abs(obj.offset)), ' = ', trueValStr];
end
set(obj.eth,'TooltipString',ttstr);
else
set(obj.eth,'TooltipString',obj.str);
end
end
function runUserCb(obj)
if ~isempty(obj.userCb)
cb = obj.userCb;
cb(obj.id);
end
end
function vStr = validateStr(obj,str)
% check if the string contains 'cnt' (center)
cntPos = findstr(str,'cnt');
if cntPos > 0
% replace 'cnt' by max/2
str1 = str(1:cntPos-1);
str2 = str(cntPos+3:end);
str = [str1, num2str(floor(obj.max/2)),str2];
end
% check if the string contains 'end'
endPos = findstr(str,'end');
if endPos > 0
% replace 'end' by max
str1 = str(1:endPos-1);
str2 = str(endPos+3:end);
str = [str1, num2str(obj.max),str2];
end
% check if the string contains '/'
slPos = findstr(str,'/');
if slPos > 0
if obj.offset
% offsets are not yet allowed for address ranges
fprintf('Deactivating selection offset.\n');
obj.setOffset(0,false);
end
%take string after the slash as divisor
divi = -1;
try
divi = str2double(str(slPos + 1 : end));
catch me
fprintf('invalid string format\n');
end
if divi > 0
inBlock = ceil(obj.max / divi);
outBlock = floor((obj.max - inBlock) / 2);
vStr = [num2str(outBlock + 1),':',num2str(outBlock + inBlock)];
else
vStr = num2str(obj.str2validNum(str));
end
return;
end
% check if the string contains a colon
colPos = findstr(str,':');
if isempty(colPos)
% we have no colon at all...
vStr = num2str(obj.str2validNum(str));
else
if obj.offset
% offsets are not yet allowed for address ranges
fprintf('Deactivating selection offset.\n');
obj.setOffset(0,false);
end
if length(colPos) > 1 % we have more than one colon in the string
% no proper check implemented yet... so drop a warning if
% this is a colon dimension
if obj.colonDimTag > 0
warning('asValueChangerClass:validateString',...
'multiple colons in selection string might result in wrong interpretation of the cursor position');
end
vStr = str;
else % we have one colon in the string
if colPos == 1 && length(str) == colPos(1)
% if there's no number in front or behind the colon,
% just return one colon.
vStr = ':';
else
if colPos > 1
% devide string in substrings before and after the
% colon
str1 = str( 1 : colPos - 1);
str2 = str( colPos + 1 : end );
num1 = obj.str2validNum(str1);
num2 = obj.str2validNum(str2);
if num1 < num2
vStr = strcat(num2str(num1), ':', num2str(num2));
else
vStr = num2str(num1);
end
end
end
end
end
end
function nr = str2validNum(obj, value)
% check, if the value is a number
if isnumeric(value)
nr = value;
else
% try to extract a valid number from string
nr = str2double(value);
if isempty(nr) || length(nr) > 1 || isnan(nr)
% if the conversion fails, return the object's minimum number
nr = obj.min;
return
end
end
% check, if the number is within object's validity range...
% If not, return the limits respectively
if nr > obj.max
nr = obj.max;
else
if nr < obj.min;
nr = obj.min;
end
end
end
function cb(obj)
% standard callback for the editText uiobject
obj.setStrForce(obj.validateStr(get(obj.eth,'String')));
obj.runUserCb;
end
function keyPressCb(obj,src, evnt)
switch evnt.Key
case 'uparrow'
obj.up;
case 'downarrow'
obj.down;
case 'pageup'
obj.setStrForce(num2str(obj.min));
obj.runUserCb;
case 'pagedown'
obj.setStrForce(num2str(obj.max));
obj.runUserCb;
end
if ~isempty(obj.kpf) % execute user defined keyPressCallback
fun = obj.kpf;
fun(src, evnt);
end
end
end
end