Transfer data: add modifier.

Not much to add, modifier uses same code as operator basically, only key difference
is that modifier will never create data layers itself, you have to use dedicated operator
for that.

3 files changed, 498 insertions, 4 deletions

diff --git a/release/datafiles/blender_icons.svg b/release/datafiles/blender_icons.svg
index ed5e84778f9..8fa93b412a6 100644
--- a/release/datafiles/blender_icons.svg
+++ b/release/datafiles/blender_icons.svg
@@ -27,6 +27,137 @@
   <defs
      id="defs4">
     <linearGradient
+       inkscape:collect="always"
+       id="linearGradient20043">
+      <stop
+         style="stop-color:#f6e18c;stop-opacity:1;"
+         offset="0"
+         id="stop20045" />
+      <stop
+         style="stop-color:#f6e18c;stop-opacity:0;"
+         offset="1"
+         id="stop20047" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       id="linearGradient20020">
+      <stop
+         style="stop-color:#f6e18c;stop-opacity:1;"
+         offset="0"
+         id="stop20022" />
+      <stop
+         style="stop-color:#f6e18c;stop-opacity:0;"
+         offset="1"
+         id="stop20024" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient18512">
+      <stop
+         id="stop18514"
+         offset="0"
+         style="stop-color:#ffffff;stop-opacity:1;" />
+      <stop
+         id="stop18516"
+         offset="1"
+         style="stop-color:#f20000;stop-opacity:1;" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient18495"
+       inkscape:collect="always">
+      <stop
+         id="stop18497"
+         offset="0"
+         style="stop-color:#000000;stop-opacity:1;" />
+      <stop
+         id="stop18499"
+         offset="1"
+         style="stop-color:#000000;stop-opacity:0;" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient18479"
+       inkscape:collect="always">
+      <stop
+         id="stop18481"
+         offset="0"
+         style="stop-color:#8d8d8d;stop-opacity:1;" />
+      <stop
+         id="stop18483"
+         offset="1"
+         style="stop-color:#8d8d8d;stop-opacity:0;" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       id="linearGradient18414">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop18416" />
+      <stop
+         style="stop-color:#000000;stop-opacity:0;"
+         offset="1"
+         id="stop18418" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient18370"
+       inkscape:collect="always">
+      <stop
+         id="stop18372"
+         offset="0"
+         style="stop-color:#afafaf;stop-opacity:1;" />
+      <stop
+         id="stop18374"
+         offset="1"
+         style="stop-color:#afafaf;stop-opacity:0;" />
+    </linearGradient>
+    <marker
+       inkscape:stockid="Arrow1Lstart"
+       orient="auto"
+       refY="0.0"
+       refX="0.0"
+       id="Arrow1Lstart"
+       style="overflow:visible">
+      <path
+         id="path17576"
+         d="M 0.0,0.0 L 5.0,-5.0 L -12.5,0.0 L 5.0,5.0 L 0.0,0.0 z "
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1.0pt"
+         transform="scale(0.8) translate(12.5,0)" />
+    </marker>
+    <linearGradient
+       id="linearGradient17566"
+       inkscape:collect="always">
+      <stop
+         id="stop17568"
+         offset="0"
+         style="stop-color:#cad8ee;stop-opacity:1;" />
+      <stop
+         id="stop17570"
+         offset="1"
+         style="stop-color:#cad8ee;stop-opacity:0;" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient17560">
+      <stop
+         id="stop17562"
+         offset="0"
+         style="stop-color:#ffe991;stop-opacity:1;" />
+      <stop
+         id="stop17564"
+         offset="1"
+         style="stop-color:#ffe991;stop-opacity:0;" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient17542"
+       inkscape:collect="always">
+      <stop
+         id="stop17544"
+         offset="0"
+         style="stop-color:#799ed3;stop-opacity:1;" />
+      <stop
+         id="stop17546"
+         offset="1"
+         style="stop-color:#799ed3;stop-opacity:0;" />
+    </linearGradient>
+    <linearGradient
        id="linearGradient17265">
       <stop
          style="stop-color:#ffb769;stop-opacity:1;"
@@ -29053,6 +29184,288 @@
        id="linearGradient17872"
        xlink:href="#linearGradient319-36-40-2-4"
        inkscape:collect="always" />
+    <linearGradient
+       id="linearGradient23974-41">
+      <stop
+         id="stop23976-66"
+         offset="0"
+         style="stop-color:#2561b7;stop-opacity:1;" />
+      <stop
+         id="stop23978-15"
+         offset="1"
+         style="stop-color:#f9fbff;stop-opacity:1" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient319-68">
+      <stop
+         style="stop-color:#ffffff;stop-opacity:1;"
+         offset="0"
+         id="stop320-221" />
+      <stop
+         style="stop-color:#ffffff;stop-opacity:0;"
+         offset="1"
+         id="stop321-90" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient1610-84">
+      <stop
+         style="stop-color:black;stop-opacity:1;"
+         offset="0"
+         id="stop1611-86" />
+      <stop
+         style="stop-color:white;stop-opacity:1;"
+         offset="1"
+         id="stop1612-6" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient9030-4">
+      <stop
+         style="stop-color:white;stop-opacity:1;"
+         offset="0"
+         id="stop9032-3" />
+      <stop
+         style="stop-color:white;stop-opacity:0;"
+         offset="1"
+         id="stop9034-9" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       id="linearGradient16500-8">
+      <stop
+         style="stop-color:black;stop-opacity:1;"
+         offset="0"
+         id="stop16502-0" />
+      <stop
+         style="stop-color:black;stop-opacity:0;"
+         offset="1"
+         id="stop16504-648" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient16605">
+      <stop
+         id="stop16607"
+         offset="0"
+         style="stop-color:#2561b7;stop-opacity:1;" />
+      <stop
+         id="stop16609"
+         offset="1"
+         style="stop-color:#f9fbff;stop-opacity:1" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient18105-1">
+      <stop
+         id="stop18107-7"
+         offset="0"
+         style="stop-color:#162d50;stop-opacity:1" />
+      <stop
+         id="stop18109-8"
+         offset="1"
+         style="stop-color:#1e3e70;stop-opacity:0;" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient17542"
+       id="linearGradient18237"
+       gradientUnits="userSpaceOnUse"
+       x1="231.35262"
+       y1="465.73871"
+       x2="246.08743"
+       y2="465.14655"
+       gradientTransform="matrix(0.86988738,-0.49325039,0.49325039,0.86988738,0,0.02266763)" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient17566"
+       id="linearGradient18239"
+       gradientUnits="userSpaceOnUse"
+       x1="430.78629"
+       y1="290.24094"
+       x2="440.83713"
+       y2="286.97058" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient23974-41"
+       id="linearGradient18243"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(1.728189,0,0,1.727271,-142.53857,-4.802156)"
+       x1="107.39532"
+       y1="58.065113"
+       x2="127.70434"
+       y2="58.065113" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient319-68"
+       id="linearGradient18245"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(-1.1000194,0,0,1.0998287,110.29549,-8.6726854)"
+       x1="30.389694"
+       y1="95.008034"
+       x2="65.52562"
+       y2="93.69249" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient1610-84"
+       id="linearGradient18247"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="translate(-6,0)"
+       x1="483.00034"
+       y1="163"
+       x2="476.68781"
+       y2="162.85956" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient9030-4"
+       id="linearGradient18249"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="translate(342.00029,383.00889)"
+       x1="123.36729"
+       y1="-219.24783"
+       x2="134.30893"
+       y2="-218.00888" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient16500-8"
+       id="linearGradient18251"
+       gradientUnits="userSpaceOnUse"
+       x1="475.00034"
+       y1="155"
+       x2="469.75034"
+       y2="155" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient23974-41"
+       id="linearGradient18253"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="translate(14.285126,-0.22103087)"
+       x1="442.81525"
+       y1="290.49384"
+       x2="436.5"
+       y2="290.5249" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient18105-1"
+       id="linearGradient18255"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="translate(20.285126,-0.22097087)"
+       x1="445.99902"
+       y1="288.5"
+       x2="407.3793"
+       y2="288.5" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient17560-4"
+       id="linearGradient18241-0"
+       gradientUnits="userSpaceOnUse"
+       x1="327.77432"
+       y1="251.04707"
+       x2="335.80118"
+       y2="247.0696" />
+    <linearGradient
+       id="linearGradient17560-4">
+      <stop
+         id="stop17562-3"
+         offset="0"
+         style="stop-color:#ffe991;stop-opacity:1;" />
+      <stop
+         id="stop17564-1"
+         offset="1"
+         style="stop-color:#ffe991;stop-opacity:0;" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient18370"
+       id="linearGradient18368"
+       x1="432.83759"
+       y1="289.15814"
+       x2="441.44028"
+       y2="283.54819"
+       gradientUnits="userSpaceOnUse" />
+    <linearGradient
+       y2="245.78732"
+       x2="335.8941"
+       y1="251.04707"
+       x1="327.77432"
+       gradientUnits="userSpaceOnUse"
+       id="linearGradient18313-9"
+       xlink:href="#linearGradient17560-4-9"
+       inkscape:collect="always" />
+    <linearGradient
+       id="linearGradient17560-4-9">
+      <stop
+         id="stop17562-3-7"
+         offset="0"
+         style="stop-color:#ffe991;stop-opacity:1;" />
+      <stop
+         id="stop17564-1-4"
+         offset="1"
+         style="stop-color:#ffe991;stop-opacity:0;" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient18414"
+       id="linearGradient18420"
+       x1="333.8428"
+       y1="253.4225"
+       x2="327.0369"
+       y2="243.12526"
+       gradientUnits="userSpaceOnUse" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient18414-5"
+       id="linearGradient18420-1"
+       x1="333.8428"
+       y1="253.4225"
+       x2="327.0369"
+       y2="243.12526"
+       gradientUnits="userSpaceOnUse" />
+    <linearGradient
+       inkscape:collect="always"
+       id="linearGradient18414-5">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop18416-8" />
+      <stop
+         style="stop-color:#000000;stop-opacity:0;"
+         offset="1"
+         id="stop18418-4" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient18479"
+       id="linearGradient18476"
+       x1="427.86765"
+       y1="284.7648"
+       x2="431.31277"
+       y2="278.92789"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="translate(0.46468729,2.0195829)" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient18495"
+       id="linearGradient18493"
+       x1="323.68958"
+       y1="248.71513"
+       x2="335.125"
+       y2="245.5"
+       gradientUnits="userSpaceOnUse" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient20020"
+       id="linearGradient20026"
+       x1="331.22147"
+       y1="249.03816"
+       x2="336.11465"
+       y2="244.64084"
+       gradientUnits="userSpaceOnUse" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient20043"
+       id="linearGradient20049"
+       x1="148.21956"
+       y1="506.48343"
+       x2="155.67555"
+       y2="506.45177"
+       gradientUnits="userSpaceOnUse" />
   </defs>
   <sodipodi:namedview
      id="base"
@@ -29064,11 +29477,11 @@
      objecttolerance="10000"
      inkscape:pageopacity="0.0"
      inkscape:pageshadow="2"
-     inkscape:zoom="8"
-     inkscape:cx="475.21328"
-     inkscape:cy="281.82297"
+     inkscape:zoom="16"
+     inkscape:cx="320.24884"
+     inkscape:cy="387.11918"
      inkscape:document-units="px"
-     inkscape:current-layer="layer1"
+     inkscape:current-layer="g18198-9"
      showgrid="true"
      inkscape:window-width="1920"
      inkscape:window-height="980"
@@ -89624,6 +90037,87 @@
        inkscape:export-xdpi="90"
        inkscape:export-ydpi="90"
        inkscape:connector-curvature="0" />
+    <g
+       id="g18205"
+       transform="matrix(1.0087429,0,0,0.97482999,-2.7977369,3.5855352)">
+      <rect
+         ry="1.5303751"
+         rx="1.479782"
+         y="243.54448"
+         x="320"
+         height="16.413118"
+         width="15.861326"
+         id="rect18203"
+         style="fill:none;stroke:none" />
+      <g
+         id="g18198"
+         transform="translate(-105.12972,-37.013919)">
+        <path
+           style="fill:url(#linearGradient18237);fill-opacity:1;stroke:#000000;stroke-width:0.69999999;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+           d="m 425.50477,292.38372 15.04989,-10.90405 -0.0101,6.77582 -9.51239,8.38266 z"
+           id="rect16727"
+           inkscape:connector-curvature="0"
+           sodipodi:nodetypes="ccccc" />
+        <path
+           style="fill:none;stroke:url(#linearGradient18239);stroke-width:0.94270116;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;display:inline;enable-background:new"
+           d="m 439.79125,287.61126 -8.80214,7.81233 -3.87477,-2.96997 12.64026,-9.16307"
+           id="rect16727-8"
+           inkscape:connector-curvature="0"
+           sodipodi:nodetypes="cccc" />
+        <path
+           transform="matrix(0.74622014,-0.66569926,0.64008794,0.76830165,0,0)"
+           style="fill:url(#linearGradient20049);fill-opacity:1;stroke:none"
+           d="m 155.67553,506.23194 -0.63498,0.7272 c 0,0 -7.96167,0.0866 -11.40538,0.0765 -1.63408,-0.005 -1.64706,-1.90745 -0.31608,-1.84971 3.85215,0.16711 12.35647,1.04592 12.35647,1.04592 z"
+           id="rect20031"
+           inkscape:connector-curvature="0"
+           sodipodi:nodetypes="ccsscc" />
+      </g>
+      <g
+         style="display:inline;enable-background:new;fill-opacity:1;fill:url(#linearGradient18368)"
+         id="g18198-9"
+         transform="translate(-105.1466,-36.99669)">
+        <path
+           style="fill:url(#linearGradient18420);fill-opacity:1;stroke:none"
+           d="m 321.20705,242.0789 c 2.69584,0.64081 4.09152,0.77931 6.28874,0.55186 0.26517,2.2318 0.84364,4.80456 2.06664,6.25861 -2.05408,-0.68406 -3.57488,-1.60349 -4.80908,-2.47909 -1.36678,-1.11314 -2.52984,-2.47523 -3.5463,-4.33138 z"
+           id="path18412"
+           inkscape:connector-curvature="0"
+           transform="matrix(0.99133288,0,0,1.0258199,107.92009,33.318577)"
+           sodipodi:nodetypes="ccccc" />
+        <path
+           style="fill:none;stroke:#1a1a1a;stroke-width:0.70590025;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:0.49803922;stroke-dasharray:none"
+           d="m 433.63404,285.72236 c 0.73437,0.0551 1.7644,-0.46216 6.92062,-4.29741 0,3.16617 -0.0101,4.19989 -0.0101,6.77582 -0.44137,0.51649 -6.49867,5.40547 -7.65364,-6.3635 -3.13764,0.28442 -4.5477,0.084 -7.20028,-0.77628 1.34066,3.00122 2.84213,4.52716 4.53015,5.73115 2.02689,1.39249 4.23484,2.31245 6.40718,2.76405"
+           id="rect16727-5"
+           inkscape:connector-curvature="0"
+           sodipodi:nodetypes="ccccccc" />
+        <path
+           style="fill:none;stroke:url(#linearGradient18476);stroke-width:0.70590028;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:0.49803922000000000;stroke-dasharray:none;display:inline;enable-background:new"
+           d="m 429.7959,286.22706 c -0.643,-0.69986 -1.96564,-2.36658 -2.68852,-3.95331 2.06071,0.57118 3.81157,0.50289 5.11146,0.38221 0.26288,2.28943 0.88014,4.42993 1.66538,5.3435"
+           id="path18412-1"
+           inkscape:connector-curvature="0"
+           sodipodi:nodetypes="cccc" />
+        <path
+           style="fill:url(#linearGradient18493);fill-opacity:1;stroke:none"
+           d="m 335.20234,242.58443 c 0,0.84375 -0.005,3.9971 -0.005,5.75999 -2.37119,1.76035 -4.7166,1.79719 -6.03803,-1.54307 1.55369,-1.16687 6.02002,-4.2052 6.02002,-4.2052 z"
+           id="path18485"
+           inkscape:connector-curvature="0"
+           transform="matrix(0.99133288,0,0,1.0258199,107.92009,33.318577)"
+           sodipodi:nodetypes="ccccc" />
+        <path
+           style="fill:url(#linearGradient20026);fill-opacity:1;stroke:none"
+           d="m 335.23044,245.54814 c 0,0 0.0166,0.39923 0.0166,1.01647 -0.82312,0.76235 -3.0673,2.74764 -4.18325,2.66033 -0.29848,-0.14345 -0.39809,-0.20898 -0.62335,-0.46278 1.10175,-0.45288 2.17708,-1.29548 4.79,-3.21402 z"
+           id="path20010"
+           inkscape:connector-curvature="0"
+           transform="matrix(0.99133288,0,0,1.0258199,107.90321,33.335806)"
+           sodipodi:nodetypes="ccccc" />
+        <path
+           style="fill:#ffe991;fill-opacity:1;stroke:none"
+           d="m 329.55657,248.86283 c -1.41211,-0.48222 -3.92872,-1.40598 -4.73299,-4.22946 -0.39317,-1.38024 1.7085,-1.41702 1.92756,-0.24049 0.45159,2.42548 1.89945,3.56397 2.80543,4.46995 z"
+           id="path18570"
+           inkscape:connector-curvature="0"
+           transform="matrix(0.99133288,0,0,1.0258199,107.90321,33.335806)"
+           sodipodi:nodetypes="cssc" />
+      </g>
+    </g>
   </g>
   <g
      inkscape:groupmode="layer"
diff --git a/release/datafiles/blender_icons16/icon16_mod_data_transfer.dat b/release/datafiles/blender_icons16/icon16_mod_data_transfer.dat
new file mode 100644
index 00000000000..53b5d3eae1a
--- /dev/null
+++ b/release/datafiles/blender_icons16/icon16_mod_data_transfer.dat
diff --git a/release/datafiles/blender_icons32/icon32_mod_data_transfer.dat b/release/datafiles/blender_icons32/icon32_mod_data_transfer.dat
new file mode 100644
index 00000000000..a405606a0e5
--- /dev/null
+++ b/release/datafiles/blender_icons32/icon32_mod_data_transfer.dat