98 lines
2.4 KiB
JavaScript
98 lines
2.4 KiB
JavaScript
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define([
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"sessions/state",
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"sessions/switching",
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"tab",
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"editor",
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"ui/statusbar",
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"ui/dialog",
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"command"
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], function(state, switching, Tab, editor, status, dialog, command) {
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var addTab = function(contents, file) {
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var current = editor.getSession();
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var tab;
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//reuse tab if opening a file into an empty tab
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if (file && !current.file && !current.modified) {
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tab = current;
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tab.setValue(contents);
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tab.setFile(file);
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tab.modified = false;
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} else {
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tab = new Tab(contents, file);
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state.stack.unshift(tab);
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state.tabs.push(tab);
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}
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if (file && !file.virtual) {
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file.entry.file(function(f) {
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var loaded = ["Loaded ", f.name, ", ", f.size, " bytes"].join("");
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status.toast(loaded, 2);
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});
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}
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tab.detectSyntax();
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switching.raise(tab);
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return tab;
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};
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//removeTab looks long, but it handles the async save/don't/cancel flow
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var removeTab = function(index, c) {
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if (!index) {
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index = state.tabs.indexOf(editor.getSession());
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}
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var tab = state.tabs[index];
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state.stack = state.stack.filter(function(t) { return t !== tab });
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var continuation = function() {
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tab.drop();
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state.tabs = state.tabs.filter(function(tab, i) {
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if (i == index) {
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return false;
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}
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return true;
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});
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if (state.tabs.length == 0) {
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return addTab();
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}
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var next = index - 1;
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if (next < 0) {
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next = 0;
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}
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var current = editor.getSession();
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if (tab !== current) {
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command.fire("session:render");
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} else {
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switching.raise(state.tabs[next]);
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}
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if (c) c();
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};
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if (tab.modified) {
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dialog(
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tab.fileName + " has been modified.\nDo you want to save changes?",
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[
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{label: "Save", value: true, shortcut: "y" },
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{label: "Don't save", value: false, shortcut: "n" },
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{ label: "Cancel", shortcut: "c" }
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],
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function(confirm) {
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if (typeof confirm !== "boolean") {
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return;
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}
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if (confirm) {
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return tab.save(continuation);
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}
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continuation();
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});
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return;
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} else {
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continuation();
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}
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};
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command.on("session:close-tab", removeTab);
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return {
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add: addTab,
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remove: removeTab
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}
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});
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