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Blue 2018-08-05 00:46:25 +03:00 • committed by Юрий Губич
commit 4b60ece582
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lorgar/views/panesList.js Normal file
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"use strict";
(function panesList_js() {
var moduleName = "views/panesList";
var defineArray = [];
defineArray.push("views/view");
defineArray.push("views/layout");
defineArray.push("views/label");
defineArray.push("lib/wController/localModel");
defineArray.push("views/pane");
define(moduleName, defineArray, function panesList_module() {
var View = require("views/view");
var Layout = require("views/layout");
var Label = require("views/label");
var LM = require("lib/wController/localModel");
var Pane = require("views/pane");
var PanesList = Layout.inherit({
"className": "PanesList",
"constructor": function PanesListView(controller, options) {
var base = {
nestWidth: 100,
nestHeight: 100,
verticalSpace: 10,
scrollable: Layout.Scroll.VirtualVertical
};
W.extend(base, options);
this._ctrlInitialized = false;
Layout.fn.constructor.call(this, controller, base);
this._scr.on("scrollTop", this._onScrollTop, this);
this._scr.on("dragStart", this._onScrollDragStart, this);
this._scr.on("dragEnd", this._onScrollDragEnd, this);
this._hbi = Object.create(null);
this._overflown = false;
this._rows = 0;
this._cachedMinH = 0;
this._cols = 0;
this._scrolled = 0;
this._scrollShift = 0;
this._rangeUpdate = false;
this._skipPaneActivate = false;
this._proxyClearSkippingPaneActivate = this._clearSkippingPaneActivate.bind(this);
this._f.on("removedController", this._onRemovedController, this);
this._f.on("rangeStart", this._onRangeStart, this);
this._f.on("rangeEnd", this._onRangeEnd, this);
this._f.setSubscriptionRange(0, 0);
},
"append": function(child, index) {
var model = new LM();
var nest = new Layout(model, {
minHeight: this._o.nestHeight,
maxHeight: this._o.nestHeight,
minWidth: this._o.nestWidth,
minWidth: this._o.nestWidth,
scrollable: Layout.Scroll.None
});
nest._uncyclic.push(function() {model.destructor()});
nest.append(child);
child.on("activate", this._onChildActivate, this); //todo need to remove handler on deletion
this._addChild(nest, 0, index);
nest.setSize(this._o.nestWidth, this._o.nestHeight);
if (this._cols && !this._rangeUpdate) {
this._positionElement(index);
if (index !== this._c.length - 1) {
this._refreshPositions(index + 1);
}
}
},
"_clearSkippingPaneActivate": function() {
this._skipPaneActivate = false;
},
"_onAddElement": function() {
this._recalculateRows();
},
"_onChildActivate": function(address) {
if (!this._skipPaneActivate) {
lorgar.changePage(address);
}
},
"_onData": function() {
if (this._f.initialized) {
if (!this._ctrlInitialized) {
this._f.on("addElement", this._onAddElement, this);
this._ctrlInitialized = true;
}
this._recalculateRows();
}
},
"_onNewController": function(ctrl, index) {
var label = new Pane(ctrl);
this.append(label, index);
},
"_onRangeEnd": function() {
this._rangeUpdate = false;
this._refreshPositions(0);
},
"_onRangeStart": function() {
this._rangeUpdate = true;
},
"_onRemovedController": function(ctrl, index) {
var obj = this._c[index];
this._removeChildByIndex(index);
obj.c.destructor();
if (!this._rangeUpdate) {
this._refreshPositions(index);
}
},
"_onScrollDragStart": function() {
this._skipPaneActivate = true;
},
"_onScrollDragEnd": function() {
setTimeout(this._proxyClearSkippingPaneActivate, 1);
},
"_onScrollTop": function(y) {
this._scrolled = y;
this._recalculateShown();
},
"_positionElement": function(index) {
var row = Math.floor(index / this._cols);
var col = index % this._cols;
var e = this._c[index];
e.c.setLeft(col * this._o.nestWidth + col * this._hSpace);
e.c.setTop(row * this._o.nestHeight + row * this._o.verticalSpace - this._scrollShift);
},
"_recalculateRows": function() {
var rows = Math.ceil(this._f.data.length() / this._cols);
if (rows !== this._rows) {
this._rows = rows;
this._cachedMinH = (rows * this._o.nestHeight) + (rows - 1) * this._o.verticalSpace;
}
this._scr.setMinSize(this._w, Math.max(this._cachedMinH, this._h));
},
"_recalculateShown": function() {
var ch = this._o.nestHeight + this._o.verticalSpace;
this._scrollShift = this._scrolled % (ch);
var pr = (this._h + this._scrollShift + this._o.verticalSpace) / (ch);
var possibleRows = Math.ceil(pr);
var amount = this._cols * (possibleRows);
var start = Math.floor(this._scrolled / (ch)) * this._cols;
var end = start + amount;
this._f.setSubscriptionRange(start, end);
this._refreshPositions(0);
},
"_refreshPositions": function(start) {
for (var i = start; i < this._c.length; ++i) {
this._positionElement(i);
}
},
"_removeChildByIndex": function(i) {
var child = this._c[i].c;
this._c.splice(i, 1);
child._p = undefined;
if (this._o.scrollable) {
this._scr.removeChild(child._e);
} else {
this._e.removeChild(child._e);
}
child.off("changeLimits", this._onChildChangeLimits, this);
},
"setSize": function(w, h) {
View.fn.setSize.call(this, w, h);
this._cols = Math.floor(this._w / this._o.nestWidth);
this._hSpace = (this._w - (this._cols * this._o.nestWidth)) / (this._cols - 1);
if (this._o.scrollable) {
this._recalculateRows();
this._scr.setSize(this._w, this._h);
}
this._recalculateShown();
this._refreshPositions(0);
}
});
return PanesList;
});
})();